CBSE > Class 12 > Biology | CBSE Board | Homework Help

Repetitive DNA do not code for any type of protein and repeat continuously as the name suggests . Satellite DNA are found at fixed locations in a DNA strand and code for some type of protein

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Earthworm is a bisexual organism. So is it not a monoecious one?

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

4 answers

Harsh Jaat 7 years, 9 months ago

Monoecious term plants ke liye use hoti h

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Go Pika 7 years, 9 months ago

Yes it is monoecious only. So wrong answer is given sorry

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Go Pika 7 years, 9 months ago

Anyone there. Shags .A student? Anyone

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Go Pika 7 years, 9 months ago

Dioecious mean dependence if 2 different organism having the 2 different sexes respectively right. So

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In ncert chapter 2 page 37 under the topic advantages of seeds how can one day that being dependent on water is an advantage?

Posted by A Student 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Go Pika 7 years, 9 months ago

In previous it was given like oxygen and water and temp. Are favourable condition for germination. Hence a seed is dependent of water. You need to water a seed to get plant right. Thats why

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Go Pika 7 years, 9 months ago

Because for germination water is required thats why.

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An example of frameshift mutation?

Posted by A Student 7 years, 9 months ago

CBSE > Class 12 > Biology

7 answers

Pranjali Mahajan 7 years, 9 months ago

Sickle cell is point mutation

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Deepa Chanwariya 7 years, 9 months ago

Thalassemea is eg of frame shift mutation

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Pawan Waraich 7 years, 9 months ago

Dystrophy is caused by frame shift as in this due to insertion and deletion any protein alterned . This is related to muscles

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Go Pika 7 years, 9 months ago

Ni idea

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Go Pika 7 years, 9 months ago

What's that shags?

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Pawan Waraich 7 years, 9 months ago

Dystrophy

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Go Pika 7 years, 9 months ago

Sickle cell anemia

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Ploidy of tetrad? How microspore has same ploidy as that of vegetative parts when it has undergone meiotic division?

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

8 answers

Pawan Waraich 7 years, 9 months ago

But ploidy of mmc is 2n........right ?

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Tanuja Biswas 7 years, 9 months ago

Ploidy of each cell or better say ploidy of each microspore in the microspore tetrad is haploid. Tetrad is the group of 4 cells formed after the meiotic division in MMC each cell is a haploid.

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Pawan Waraich 7 years, 9 months ago

Hmmm

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Go Pika 7 years, 9 months ago

I'll write the question wait

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Go Pika 7 years, 9 months ago

I too answerd it as haploid only shags

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Go Pika 7 years, 9 months ago

I'm confusing with 2 chapters.

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Pawan Waraich 7 years, 9 months ago

I m not getting ur next ques.

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Pawan Waraich 7 years, 9 months ago

Ploidy of tetrad is haploid

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From which plant cyclosporine is synthesized

Posted by Kalpit Sharma 7 years, 9 months ago

CBSE > Class 12 > Biology

5 answers

Go Pika 7 years, 9 months ago

You must have asked like which organism, I guess

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Pawan Waraich 7 years, 9 months ago

I don't know abt plant

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Pawan Waraich 7 years, 9 months ago

It is a fungus

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Pawan Waraich 7 years, 9 months ago

Trichoderma polysporum

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Go Pika 7 years, 9 months ago

Trichoderma polysporum is the fungus ya nog plant

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Meosis never occur in sexual reproduction why?

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

3 answers

Pawan Waraich 7 years, 9 months ago

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Go Pika 7 years, 9 months ago

Wrong question

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Pawan Waraich 7 years, 9 months ago

What

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In vegetative propagation . What's runner and rhizome example please

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

9 answers

Pranav Rastogi 7 years, 9 months ago

Rhizome:ginger,banana,turmeric Runner:grasses,strawberry

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Go Pika 7 years, 9 months ago

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Go Pika 7 years, 9 months ago

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Pawan Waraich 7 years, 9 months ago

Not yet

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Go Pika 7 years, 9 months ago

Sleepy?

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Pawan Waraich 7 years, 9 months ago

Hmm

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Go Pika 7 years, 9 months ago

I expected . Runner must be grass. I just confirmed and ginger yeah in the books it's given

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Pawan Waraich 7 years, 9 months ago

Rhizome : turmeric also

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Pawan Waraich 7 years, 9 months ago

Runner : grass, oxalis and Rhizome : ginger

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ANSWER

Dead sea is that salt sea right? We'll float .

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

8 answers

Pawan Waraich 7 years, 9 months ago

1Thank You

Go Pika 7 years, 9 months ago

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Go Pika 7 years, 9 months ago

Don't say it's 'cause of me!

1Thank You

Pawan Waraich 7 years, 9 months ago

Oooh. I forgot ?? today I m not feeling sleepy

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Go Pika 7 years, 9 months ago

Shag ??

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Go Pika 7 years, 9 months ago

Sha it's about 2 . You saud you'll go at one

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Go Pika 7 years, 9 months ago

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Pawan Waraich 7 years, 9 months ago

Hmm

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I m finding error in answering u

Posted by Pawan Waraich 7 years, 9 months ago

CBSE > Class 12 > Biology

10 answers

Pawan Waraich 7 years, 9 months ago

Hmmmm

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Pawan Waraich 7 years, 9 months ago

1Thank You

Go Pika 7 years, 9 months ago

Go gop is my f... Id. You can't find . In G+ it's Gopz Thamizhachi in an odd fashion

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Go Pika 7 years, 9 months ago

In none of my sites I'll be using my full name. :P only here I did. You can't find my name on f.. and even on G+ my name looks like a barbaque

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Pawan Waraich 7 years, 9 months ago

On acc.

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Pawan Waraich 7 years, 9 months ago

Ur full name

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Pawan Waraich 7 years, 9 months ago

Hmm

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Go Pika 7 years, 9 months ago

I got your answer. And ti now your not blocked

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Pawan Waraich 7 years, 9 months ago

Sometimes

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Go Pika 7 years, 9 months ago

@_@ what

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Pericarp

Posted by Pawan Waraich 7 years, 9 months ago

CBSE > Class 12 > Biology

3 answers

Go Pika 7 years, 9 months ago

Wall of the ovary develops into wall of the fruit

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Go Pika 7 years, 9 months ago

Outer layer of a fruit

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Pawan Waraich 7 years, 9 months ago

Hmm

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ANSWER

Parthenocarpy right. Grout without fertilization

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

3 answers

Pawan Waraich 7 years, 9 months ago

Ok yeah

1Thank You

Pawan Waraich 7 years, 9 months ago

R u want To Say fruit

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Go Pika 7 years, 9 months ago

Fruit*

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Should diagram 2.14 be practised

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Pawan Waraich 7 years, 9 months ago

Hmm it is important

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ANSWER

Name the types of cycles of organism where the zygote undergoes mitosis and embryogenesis

Posted by Nandini Choudhary 7 years, 9 months ago

CBSE > Class 12 > Biology

9 answers

Go Pika 7 years, 9 months ago

2Thank You

Pawan Waraich 7 years, 9 months ago

It is 1st chap.

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Pawan Waraich 7 years, 9 months ago

Zygote undergo mitosis forming a diploid embryo and then individual developed is also diploid I.e. diplontic life cycle

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Go Pika 7 years, 9 months ago

11th :/

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Pawan Waraich 7 years, 9 months ago

Rep. In organism

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Go Pika 7 years, 9 months ago

Which lesson shagun

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Go Pika 7 years, 9 months ago

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Go Pika 7 years, 9 months ago

Cleavage.

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Pawan Waraich 7 years, 9 months ago

Diplontic life cycle

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Animals living in aquatic habitat have which type of enzymes to tolerate large pressure

Posted by Pranav Rastogi 7 years, 9 months ago

CBSE > Class 12 > Biology

7 answers

Go Pika 7 years, 9 months ago

The question was do they have any special enzymes. I feel probably it must be yes. As we have seen in case of that taq polymerase

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Go Pika 7 years, 9 months ago

The a answer I gave was what I thought while I was studying the lesson. Were question from page 226?

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Go Pika 7 years, 9 months ago

Sorry

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Pranav Rastogi 7 years, 9 months ago

The question is from ncert..Organism and population

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Go Pika 7 years, 9 months ago

We are not deep into these enzyme habits. The answer is in the question itself. Enzymes ghat could work / function well in large pressure. I think this is from xam idea or arihant right?

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Go Pika 7 years, 9 months ago

Which lesson

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Go Pika 7 years, 9 months ago

From where did you get this question

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ANSWER

Ancestors of progymnosperm

Posted by Pawan Waraich 7 years, 9 months ago

CBSE > Class 12 > Biology

10 answers

Go Pika 7 years, 9 months ago

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Go Pika 7 years, 9 months ago

???

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Pawan Waraich 7 years, 9 months ago

Hmm It is right..

1Thank You

Pawan Waraich 7 years, 9 months ago

Ok jst wait

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Go Pika 7 years, 9 months ago

Shagun see my answer for pranaul sharma's post for that senss and anti sense coding. Say if it's right

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Pawan Waraich 7 years, 9 months ago

Okay no problem

1Thank You

Go Pika 7 years, 9 months ago

No charge sorry that why late answer is psilophyton

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Pawan Waraich 7 years, 9 months ago

Thank u

1Thank You

Go Pika 7 years, 9 months ago

Psilophyton

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Pawan Waraich 7 years, 9 months ago

Gopika plzz tell

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What is rate of efflux nd influx?

Posted by Gaurav Dwivedi 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Chromatin in molecular inheritance is an important thing or not , I am talking about its active and inactive types

Posted by H K 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Go Pika 7 years, 9 months ago

Very important for 2marks

1Thank You

Go Pika 7 years, 9 months ago

Sure

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How tapetal cells could become bi nucleate

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

5 answers

Pawan Waraich 7 years, 9 months ago

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Go Pika 7 years, 9 months ago

Thanks dear.

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Pawan Waraich 7 years, 9 months ago

Tapetal cells undergo endomitosis in which nucleus divide within nuclear membrane but cytokinesis not occurs so nucleus become binucleate

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Pawan Waraich 7 years, 9 months ago

Just wait

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Go Pika 7 years, 9 months ago

#shagun

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Chapter -2 exercise questions

Posted by Sreekanth K R 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Go Pika 7 years, 9 months ago

See in this app

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Who are shrew?

Posted by Pranul Sharma 7 years, 9 months ago

CBSE > Class 12 > Biology

4 answers

Cool Guy 7 years, 9 months ago

Shrews are the first mammal on earth

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Go Pika 7 years, 9 months ago

A shree looks like a mouse with pointed nose.

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Go Pika 7 years, 9 months ago

Ncert says that 1st mammals looked like shrew

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Go Pika 7 years, 9 months ago

They are early mamala not more than 4 feet

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ANSWER

What is rna inderference?

Posted by Benedict Sabu 7 years, 9 months ago

CBSE > Class 12 > Biology

7 answers

Benedict Sabu 7 years, 9 months ago

2Thank You

Go Pika 7 years, 9 months ago

Your slang says that. *Interference

1Thank You

Benedict Sabu 7 years, 9 months ago

How did you guess?

1Thank You

Benedict Sabu 7 years, 9 months ago

*yes

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Benedict Sabu 7 years, 9 months ago

Ues. Malayaliya

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Go Pika 7 years, 9 months ago

Pg209. Read it. Or then I'll explain

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Go Pika 7 years, 9 months ago

Malayali?

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What can be expected questions asked from evolution chapter??

Posted by Urvi Patel 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Go Pika 7 years, 9 months ago

Experiment conditions. Adaptive radiation. Hardy::'s law and those 5 factors. Founders effect. Dinosaurs , Coalocanth., Ichthyosaurs,human evolution(place dates and names and behavior)

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What is point mutation

Posted by Madiha Faraz 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Urvi Patel 7 years, 9 months ago

Change in a single base pair of DNA is point mutation

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Are colen can be same or similar explain

Posted by Ritu Raj Singh 7 years, 9 months ago

CBSE > Class 12 > Biology

3 answers

Cool Guy 7 years, 9 months ago

Clones are same not similar. Colen?

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Go Pika 7 years, 9 months ago

Colen?

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Cool Guy 7 years, 9 months ago

Similar not same

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ANSWER

Explanation about the DNA?

Posted by Rezinna Chettri 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Go Pika 7 years, 9 months ago

They'll ask for only 2 things questions related to rna and dna comparison and about genetic material like which is the 1st and which is tge best and why

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Go Pika 7 years, 9 months ago

Important. Study that salient features.

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What is amplification with reference to dna fingerprinting

Posted by Samira Chohan 7 years, 9 months ago

CBSE > Class 12 > Biology