List of practice Questions

Myelin sheath is produced by

Which of the following is made up of dead cells?

Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

The association of histone H₁ with a nucleosome indicates:

The vascular cambium normally gives rise to

The morphological nature of the edible part of coconut is

Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?

Which of the following components provides sticky character to the bacterial cell?

Double fertilization is exhibited by

Which of the following are found in extreme saline conditions?

Which of the following are not polymeric?

Spliceosomes are not found in cells of

Which of the following statements is correct?

An important characteristic that Hemichordates share with Chordates is

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

The pivot joint between atlas and axis is a type of

Functional megaspore in an angiosperm develops into

MALT constitutes about ____ percent of the lymphoid tissue in human body.

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport

The process of separation and purification of expressed protein before marketing is called

Which one of the following is related to Ex-situ conservation of threatened animals and plants?

Which one of the following statements is not valid for aerosols?

Fruit and leaf drop at early stages can be prevented by the application of

Alexander Von Humbolt described for the first time