Standard Books Zoology Questions

Receptors for protein hormones are located

The transfer of sperms into female genital tract is called as ________.

In man and mammals, air passes from outside into the lungs through

Macrophages and Leucocyte exhibit :-

During electrophoresis, DNA fragments move towards the

Which of the following group of animals reproduces only by sexual means?

Choose the wrong statement regarding AIDS

Match the items given in column I with those in column II and select the correct option given below.

Improved programmes covering wider reproduction related areas are currently in operation under the popular name _______ programmes

The efferent process of neuron is known as

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): With the help of several ommatidia, a cockroach can perceive several images of an object, i.e., mosaic vision.

Reason (R): Mosaic vision gives more sensitivity but less resolution.

In the light of the above statements, choose the most appropriate answer from the option given below:

Abiogenesis means

The linking of antibiotic resistance gene with the plasmid vector became possible with

In man, the urea is mainly produced in

Assertion: Frogs undergo aestivation & hibernation. Reason: Frogs take shelter in deep burrows to protect themselves from extreme heat & cold.

The hind brain consists of

Hormones may be

Coelom is cavity between alimentary canal and body wall enclosed by

When an organ is transplanted and is rejected by the body, the lymphocytes are produced by

About how long ago was the earth formed

Which of the following is true about RNAi process?

Which of the following is an accessory reproductive gland in male mammals?

Which is a common passage in swallowing food and breathing

The 8ᵗʰ and 9ᵗʰ ribs are known as false ribs because their external portions are attached to

Biotechnology deals with techniques of

Aquatic reptiles are

Serum differs from blood in

The term 'Health' is defined in many ways. The most accurate definition of the health would be

Aquatic annelids (like Nereis) possess lateral appendages called ______________ which help in swimming.

Maintenance of internal favourable conditions, despite changes in external environment is

Which of the following correctly state as it happens in the common cockroach?

The haemoglobin content per 100 mL of blood of a normal healthy human adult is

The main difference between Gram positive and Gram negative bacteria lies in the composition of

The “family planning” were initiated in ________.

Which of the following are the type of nerve fibres of PNS

What is true for primitive atmosphere?

It is now possible to breed plants and animals with desired characters through

Which one of the following is not a second messenger in hormone action

T-cells are lymphocytes which produce the cellular immunity. These are developed from

The opening at the base of the skull for the spinal cord is called

Which one of the following statement is incorrect?

How many recombinant products are presently being marketed in India?

There is a membrane covering the lungs, called

Which cells in the testes secrete testosterone, the male sex hormone?

True coelom or body cavity occurs in

Which among the following statements is incorrect?

Which of the following is not used as a bioweapon?

Uridine, present only in RNA is a

The structure which prevents the entry of food into the respiratory tract is

The thermoregulatory centre is situated in Or The control of blood sugar level, osmoregulation and thermoregulation are the function of