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Cell division - it is division of parent cell and form 2 or more baby cells Cell cycle - the process or cell division is called cell cycle there are some phases G0,G1,S,G2 and Mphase

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What is annaleda

Posted by Adnan Ashiq 3 years, 11 months ago

CBSE > Class 11 > Biology

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Nandini Mittal 3 years, 9 months ago

A large phylum that comprises the segmented/ringed worms with over 22,000 extant species including earthworms, lugworms, ragworms, and leeches

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Why meiosis is the salary for sexual reproduction

Posted by Astha Dubey 3 years, 11 months ago

CBSE > Class 11 > Biology

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Vishnu Sharma 3 years, 10 months ago

Because it occurs in only reproductive cells

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A vegetative cell of a plant undergoes equational division and produces 128 daughter cells, Calculate the number of Mitotic cycles had the original single cell undergoes.

Posted by Anjali Soren 3 years, 11 months ago

CBSE > Class 11 > Biology

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Debayan Basak 3 years, 11 months ago

Since one mitotic cell division leads to the formation of two daughter cells So.. Total daughter cells÷number of daughter cells produced in division 128÷2= 64 And the number of mitotic cycles are 64(A)

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Krebs cycle

Posted by Tessy Thomas 3 years, 11 months ago

CBSE > Class 11 > Biology

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Tanisha Upadhayay 3 years, 10 months ago

It is a multi step process in which citric acid is a first product as well as final reactant

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Tanisha Upadhayay 3 years, 10 months ago

Multi step process in which citric acid is final reactant as well as final product

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What is the shape of oxygen saturation curve

Posted by Pragathi U 3 years, 11 months ago

CBSE > Class 11 > Biology

2 answers

Manisha Kumari 3 years, 11 months ago

Sigmoid curve

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Tejaswi Kanth 3 years, 11 months ago

Sigmoid

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What are medulary piramets?

Posted by Mainak Roy 3 years, 11 months ago

CBSE > Class 11 > Biology

1 answers

Anjan Karthi 3 years, 11 months ago

The internal section of human kidneys indicate it's differentiation into two layers namely the outer cortex and inner medulla. When, the renal cortex is a United portion, the renal medulla is found in the form of conical structures known as medullary pyramids.

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Write down the four essential stages that takes place during meiosis

Posted by R.K R.K 3 years, 11 months ago

CBSE > Class 11 > Biology

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Anjan Karthi 3 years, 11 months ago

1) Synapsis formation (Zygotene). 2) Crossing over of genetic material (Pachytene). 3) Separation of homologous chromosomes in a tetrad along with chiasmata - region of genes from other chromosome (anaphase-1). 4) Separation of chromatids of homologous chromosomes to produce haploid condition (anaphase-2).

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Digram neuron

Posted by Aryan Gupta 3 years, 11 months ago

CBSE > Class 11 > Biology

1 answers

Divya. Kumari 3 years, 11 months ago

Go to google

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distinguish between vital capacity and total lung capacity mycbseguide

Posted by Prachi Siwachh 3 years, 11 months ago

CBSE > Class 11 > Biology

1 answers

Vishnu Sharma 3 years, 10 months ago

Book nhi h kya

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Relation between indosphem and gemnosprm

Posted by Anjali Vishwakarma 3 years, 11 months ago

CBSE > Class 11 > Biology

1 answers

Bhom Singh 3 years, 11 months ago

Endosperm hai vo

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Observe ECG and find probable disfuction of heart, give reason for it

Posted by Yashvi Nayak 3 years, 11 months ago

CBSE > Class 11 > Biology

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What is crab cycle

Posted by Sami Singh 3 years, 11 months ago

CBSE > Class 11 > Biology

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Effects of physical exercise in lung capacity.

Posted by Samudra Deka 3 years, 11 months ago

CBSE > Class 11 > Biology

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Can be dna replication without cell dividion

Posted by Kartar Kasotiya 3 years, 11 months ago

CBSE > Class 11 > Biology

4 answers

Tannu Ghalyan 3 years, 7 months ago

yes

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Pragathi U 3 years, 11 months ago

Yes,in some cases such as formation of new mitochondria or chloroplast, DNA replication is not followed by cell division. Also, in some organisms karyokinesis is not followed by cytokinesis as a result of which multinucleate condition arises leading to the formation of syncytium

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Aayush Kumar Singh 3 years, 11 months ago

Yes

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Stormy Sharma 3 years, 11 months ago

Yes

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briefly etplin about replutive pantose sugar phasphate pathway ?

Posted by Tushar Prajapati 3 years, 11 months ago

CBSE > Class 11 > Biology

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What is meant by abscission

Posted by Tushar Prajapati 3 years, 11 months ago

CBSE > Class 11 > Biology

2 answers

Stormy Sharma 3 years, 11 months ago

In simple words , plants ke part ka breakdown hota h jese flowers , leaves fall karne lagte h And isko promote Karte h (-ve) hormones of plant

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Tanisha Upadhayay 3 years, 11 months ago

The act or process of cutting of Or removal : it is the natural separation of flowers fruits or leaves from the plant at a special separation layer during life span of plant

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Different substrates get oxidized during respiration. How does Respiratory Quotient (RQ) indicate which type of substrate, i.e., carbohydrate, fat or protein is getting oxidized? R.Q = (A/B) (1) What do A and B stand for? What type of substrates have R.Q. of 1, < 1 or > 1? Name the endocrine gland that produces calcitonin and mention the role played by this hormone. Rearrange the following in the correct order of involvement in electrical impulse movement- Synaptic knob, dendrites, cell body, Axon terminal, Axon Mention any two metabolic disorders, which can be diagnosed by analysis of urine. Define the following terms? a. Tidal volume b. Residual volume c. Asthma d. Inspiratory Capacity George comes on a vacation to India from US. The long journey disturbs his biological system and he suffers from jet lag. What is the cause of his discomfort? During resting potential, the axonal membrane is polarised, indicate the movement of +ve and –ve ions leading to polarisation diagrammatically. Where does the selective reabsorption of Glomerular filtrate take place? Explain it . What is partial pressure? How does it help in gaseous exchange during respiration? If a person is feeling dizzy, glucose or fruit juice is given immediately but not a cheese sandwich, which might have more energy. Explain.\ Comment on the statement – Respiration is an energy producing process but ATP is being used in some steps of the process. While examining the mitotic stage in a tissue, one finds some cells with 16 chromosomes and some with 32 chromosomes. What possible reasons could you assign to this difference in chromosome number. Do you think cells with 16 chromosomes could have arisen from cells with 32 chromosomes or vice versa? Thrombocytes are essential for coagulation of blood. Comment. Show blood coagulation through a flowchart. Draw diagrammatic presentation of heart , mark and label, SAN, AVN, AV bundles, bundle of His and Purkinje fibres. On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. Please help Ketki and her friends to find out the solutions to the following questions. a. Which probable disease are these people suffering from? b. How is it caused? c. What effect does this condition have on pregnancy?

Posted by Ankit Nagar 3 years, 11 months ago

CBSE > Class 11 > Biology

1 answers

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This is 🧐

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What is anaphara

Posted by Manas Bisht 4 years ago

CBSE > Class 11 > Biology

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Quantam Field

Posted by Râzâ Sshâî 4 years ago

CBSE > Class 11 > Biology

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What is the difference between plant cell and animal cell.

Posted by Bhumika Sharma 4 years ago

CBSE > Class 11 > Biology

1 answers

Stormy Sharma 3 years, 11 months ago

Basic difference is of cell wall In plant cell present . In Animal sent absent.

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Distinguishe between vital capicity and total lung capacity?

Posted by Akshat Ojha 4 years ago

CBSE > Class 11 > Biology

1 answers

Drishti Dhiman 4 years ago

Vital capacity = maximum volume of air a person can breathe in after a forceful expiration ( erv+tv+irv) Total lung capacity = total volume of air accommodated in lung at the end of forced inspiration . Rv+ tv + irv or vital capacity + residual volume

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Bring out the role of haemoglobin in transport of respiratory gases

Posted by Ansh Sahu 4 years ago

CBSE > Class 11 > Biology

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What is the role of sarcoplasmic reteculum miosin head and F-stop actin during contraction strioated muscles of human beings

Posted by Mouli Saini 4 years ago

CBSE > Class 11 > Biology

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Why do ladies wear garments?

Posted by Siddharth Sharama 4 years ago

CBSE > Class 11 > Biology

1 answers

Sanu Sharma 4 years ago

Why u r wear garments

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Describe the mechanism of nephron (counter current mechanism)?

Posted by Michael Roy 4 years ago

CBSE > Class 11 > Biology

1 answers

Vajra V.R 3 years ago

The nephrons work through a two-step process: the glomerulus filters your blood, and the tubule returns needed substances to your blood and removes wastes. Each nephron has a glomerulus to filter your blood and a tubule that returns needed substances to your blood and pulls out additional wastes.

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Difference between hilum and microphyl

Posted by Divya. Kumari 4 years ago

CBSE > Class 11 > Biology