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

Question : 21 [UPPCS (Pre) 2007]

The temperature of a normal human body is

a) 98° F

b) 98.8° F

c) 98.4° F

d) None of these

Question : 22

Consider the following statements:

1. Branch of Botany in which we study about algae is called Phycology.
2. Branch of Biology in which we study about relationship between livings and their environment is called Ecology.
3. Branch of Biology in which we study about art and hobby of growing dwarf forms of trees and shrubs in pots is called Arboriculture.

a) 1, 2 and 3

b) 1 and 2

c) 2 and 3

d) None

Question : 23

Neurons receive signals through their __________ and send signals to other neurons through their __________.

a) end feet ... cell bodies and dendrites

b) dendrites ... receptors

c) cell bodies and dendrites ... axons

d) transmitter vesicles ... axons

Question : 24

The force responsible for upward conduction of water against gravity comes from

a) translocation

b) respiration

c) transpiration

d) photosynthesis

Question : 25

Consider the following statements :

1. They are small, cylindrical, branched and the fibers have broad ends.
2. Special electrical junctions called “intercalated discs” are present at intervals in the fibers.
3. The muscles show undergo contractions.
4. They are involuntary muscle fibers. They are not under the control of one’s will.

a) 1, 2 and 3

b) 2 and 4

c) 1 and 2

d) 1, 2, 3 and 4