Chromosome based question

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  • Vikas Kumar

    Dec 2nd, 2019

The shorter and longer arms of a submetacentric chromosome are referred to as :- (1) s-arm and l-arm respectively (2) p-arm and q-arm respectively (3) q-arm and p-arm respectively (4) m-arm and n-arm respectively

Model Answer:

2. p and q are shorter and longer arms of a sub-metacentric chromosome. Submetacentric chromosomes have the centromere slightly offset from the center leading to a slight asymmetry in the length of the two sections. Human chromosomes 4 through 12 are submetacentric in nature.

Cell biology problem

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  • Vikas Kumar

    Nov 22nd, 2019

Which of the following statements is not correct? (1) Lysosomes have numerous hydrolytic enzymes. (2) The hydrolytic enzymes of lysosomes are active under acidic pH. (3) Lysosomes are membrane bound structures. (4) Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

Model Answer:

4. Lysosomes are formed by the process of packaging in the ER

Chalina

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  • Vikas Kumar

    Nov 21st, 2019

Which poriferan is commonly known as "Dead man's finger" Or "Mermaid's gloves" A. Hyalonema B. Chalina C. Clion D. Oscarella

Model Answer:

B. Chalina It resembles the fingers of a hand which has many oscula. Chalina belongs to the class of Demospongia and order Monaxonida

Population Ecology

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  • Vikas Kumar

    Nov 19th, 2019

Predator-Prey relationship

Model Answer:

C

Human Physiology

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  • Vikas Kumar

    Nov 19th, 2019

Which of the following factors is responsible for the formation of concentrated urine? (1) Low levels of antidiuretic hormone. (2) Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys. (3) Secretion of erythropoietin by juxtaglomerular complex. (4) Hydrostatic pressure during glomerular filtration

Model Answer:

Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys. Which involves Loop of Henele and vasa recta.

Ion gated channels

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  • Vikas Kumar

    Nov 19th, 2019

https://m.facebook.com/story.php?story_fbid=147429936615712&id=111678116857561

Notice: KVPY RE-EXAMINATION

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  • Pawan Kumar

    Nov 9th, 2017

KVPY Aptitude test - 2017 held on 5th November 2017 This is to bring to the notice of  the students that a re-test will be conducted for students who were unable to complete the aptitude test due to the technical problems at few of the centers.  The re-test will be conducted in selected centers on November 19, 2017 (Sunday) for both SA and SX/SB Streams. These students will be contacted by KVPY and will be provided with further details about the admit card, venue etc soon.

Visit http://www.kvpy.iisc.ernet.in/main/index.htm

Fun Quiz

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  • Vikas Kumar

    Sep 28th, 2017

Banned Drug in various sports

DNA related problem

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  • Vikas Kumar

    Sep 27th, 2017

  • Sk. Samim Akhtar Aug 19th, 2018

    A

    Enakshi Saha Jan 7th, 2019

    DNA primase extends primers by adding nucleotides to the 3' end.

Immunoglobulin

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  • Vikas Kumar

    Sep 20th, 2017

Which immunoglobulin can cross the placenta
a. Ig M
b. Ig G
c. Ig E 
d. Ig A

  • Sharadindu Biswas Jun 5th, 2018

    B

    Sk. Samim Akhtar Aug 19th, 2018

    B

    Enakshi Saha Jan 7th, 2019

    b. IgG is the only antibody (immunoglobulin) to cross the placenta, so it is called the "MATERNAL ANTIBODY".