physiology of plants, humans and animals - Category wise Question and Answer Practice Test with Solutions

Question : 1 [IAS (Pre) 1999]

When ants bite, they injec

a) Methanol

b) Formic acid

c) Glacial acetic acid

d) Stearic acid

Question : 2

Voluntary muscles are not found in

1. alimentary canal
2. limbs
3. iris of the eye
4. bronchi of lungs

a) 1, 3 and 4

b) 2 and 4

c) 1 and 2

d) All of these

Question : 3

Which of the following statement(s) about Mycoplasma is/ are correct ?

1. They are also called PPLO.
2. They are pleomorphic.
3. They are sensitive to penicillin.
4. They cause disease in plants.

a) 1, 2 and 3

b) 2 and 3

c) 1 and 2

d) All of these

Question : 4

Which one of the following series represents the correct path of blood circulation?

a) Left atrium, left ventricle, right atrium, right ventricle, lungs, body

b) Right atrium, right ventricle, lungs, left atrium, body

c) Left atrium, left ventricle, lungs, right atrium, right ventricle, body

d) Right atrium, lungs, right ventricle, left atrium, body, left ventricle

Question : 5 [NDA]

The involvement of which one of the following is essential in the control of blood sugar?

a) Pancreas

b) Adrenal

c) Parathyroid

d) Spleen