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How many marks need to pass class 11

Posted by Mohd Zain 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Nagma Rahman 7 years, 10 months ago

Halfearly - 23 + annual - 23=46 marks u need to pass in 11th

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Short note on RNA DNA n proteins

Posted by Shruti Mehra 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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What is critical concentration

Posted by Himanshu Goyal 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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What does identification mean

Posted by Artik Rath 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Ayushi Vastrakar 7 years, 10 months ago

Identification means separating organisms in different kingdom according to their characteristics.

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Can u explain reproductive system of earthworm in short?

Posted by Ayushi Vastrakar 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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Difference between Prokaryotic and Eukaryotic

Posted by Pramshi Rabha 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Anugya C 7 years, 10 months ago

Cells which have membrane bound nuclei are called eukaryotic And those which doesn't have are called prokaryotic

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What is chemiosmotic hypothesis?

Posted by Diya Zehra 7 years, 10 months ago

CBSE > Class 11 > Biology

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Differentiate between gram positive and gram negative bacteria

Posted by Bipradeep Roy 7 years, 10 months ago

CBSE > Class 11 > Biology

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Explain glycolysis operating in cytoplasm

Posted by Bipradeep Roy 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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How is impulse transmitted from one neuron to another neuron

Posted by Bipradeep Roy 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Mahima Sharma 7 years, 10 months ago

Through synaptic vesicles neurotransmitters are transported to another neuron

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What are the various difference between virus and viriods

Posted by Bipradeep Roy 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Mahima Sharma 7 years, 10 months ago

Protein coat absent in viroid

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Differentiate between cytotaxonomy and chemotaxonomy...

Posted by Tripti Jha 7 years, 10 months ago

CBSE > Class 11 > Biology

4 answers

Priyanka Singh Rai Rai 7 years, 10 months ago

Yup... Cytotaxonomy deals with relationship and classification of organism....noore points about chemotaxonomy only that it is based on chemical constituent...

1Thank You

Tripti Jha 7 years, 10 months ago

Priyanshi sahoo.. Thanxx But some more points plz..

1Thank You

Priyanka Singh Rai Rai 7 years, 10 months ago

Sorry, cytotaxonomy is base on no.of chromosomes and their behaviour chemotaxonomy based on chemical constitute of chromosomes.

2Thank You

Priyanka Singh Rai Rai 7 years, 10 months ago

Cytota

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What is permanent tissue

Posted by Tesu Prasad 7 years, 10 months ago

CBSE > Class 11 > Biology

2 answers

Diya Zehra 7 years, 10 months ago

Do not*

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Diya Zehra 7 years, 10 months ago

These r the tissues which dono divide further

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Plasticity

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Anu Verma 7 years, 9 months ago

Property of any object,or thing due to which it is no longer able to regain it's original shape after the removal of deforming force

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What is prosthetic group

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

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What is the ploidy of primary endosperm nucleus in dicot, leaf cell of gymnosperm , prothallus cell of a fern

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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Why is cambium considered to be lateral meristem

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

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Name some natural auxins

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

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What is role of pigment cell in case of Frogs...

Posted by Sajid Khan 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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What is alternative name of glucose

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Unknown Student 7 years, 10 months ago

Blood sugar

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What is diatomaceous earth . It's 2 commercial uses

Posted by Pragati Singh 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Ty Ui 7 years, 10 months ago

The deposition of sillica(mainly) feom the silliceious wall of the diatoms over 100s of years is called diatomaceous earth.

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Explain the role of gastric juice in digestion?

Posted by Darshan Thakrey 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Ayushi Vastrakar 7 years, 10 months ago

The proenzyme pepsinogen present in gastric juices, converts HCl into pepsin. Then pepsin converts into proteoses and peptones. The mucus and bicarbonates present in gastric juices help in lubrication and protection of mucosal epithelium from excoriation by HCl .

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What is CAM cycle?

Posted by Yash Jadhav 7 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

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Difference between action spectrum and absorption spectrum.

Posted by Yash Jadhav 4 years, 7 months ago

CBSE > Class 11 > Biology

1 answers

Sia ? 4 years, 7 months ago

Absorption spectrum	Action spectrum
It shows the wavelengths of light absorbed by each pigment for, e.g., chlorophyll	It shows the overall rate of photosynthesis at each wavelength of light.
It is the graphical representation of the different wavelengths of light absorbed by the different pigments in the leaf during the process of photosynthesis.	It is the graphical representation of the effectiveness of the different wavelengths of light in photosynthesis.
It infers the relationship between the quality of light and the absorbing capacity of pigments.	It infers the relationship between photosynthetic activity in relation to different wavelengths of light.
It can be studied directly.	It is studied in relation to oxygen evolved or carbon dioxide absorbed.
The absorption of wavelengths of different pigments can be measured with a spectrophotometer.	The amount of photosynthesis can be measured with the amount of carbon dioxide fixation, oxygen production, NADP Reduction, etc.

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Explane how insulin and glycagon control the normal blood glucose level

Posted by Bhagya Rathod 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Priyanka Singh Rai Rai 7 years, 10 months ago

By maintain the balance level of each other...

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What is the utility of enzyme in a cell

Posted by Harshit Rajput 7 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Unknown Student 7 years, 10 months ago

It act as a biological catalyst for the anabolic or catabolic reactions in a cell.

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Difference between n3 and n4?

Posted by Pooja Goyat 4 years, 7 months ago

CBSE > Class 11 > Biology

1 answers

Sia ? 4 years, 7 months ago

N4 for is like having the basics of grammar, Kanji and vocab down. N3 is being able to carry a general conversation with little to no help. Basically you need 4,000 words and 700 Kanji and who knows how many grammar points.

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Define holting. Name the hormone which is responsible for it.

Posted by Yash Jadhav 7 years, 10 months ago

CBSE > Class 11 > Biology