Biology Mcqs

Which of the following statement about fatigue is correct?

(A) The major event in it is accumulation of lactic acid.

(B) Lactic acid accumulation turns pH in acidic range leading to muscle ache.

(C) Ionic imbalance may also cause it.

(D) All of these

Submitted By: Ali Uppal


Endoskeleton is secreted by?

(A) Ectoderm.

(B) Endoderm.

(C) Mesoderm.

(D) All of these

Submitted By: Ali Uppal


How many vertebrae are in sacrum?

(A) 7

(B) 12

(C) 5

(D) 4

Submitted By: Ali Uppal


Submitted By: Ali Uppal


How many vertebrae are present in coccyx?

(A) 7

(B) 12

(C) 9

(D) 4

Submitted By: Ali Uppal


Which of the following vertebrates have a fish-like body?

(A) Reptiles

(B) Aves

(C) Amphibians

(D) Mammals.

Submitted By: Ali Uppal


How many vertebrae are present in vertebral column of man?

(A) 33 vertebrae

(B) 33 pairs of vertebrae

(C) 25 vertebrae

(D) 31 vertebrae

Submitted By: Ali Uppal


Which of the following animal uses Setae and Muscles for their Iocomotion?

(A) Cockroach

(B) Snail

(C) Earthworm

(D) Star fish

Submitted By: Ali Uppal


Which of the following bones bones are present in the plam of hand?

(A) Carpals

(B) Metacarpals

(C) Phalanges

(D) Metatarsals

Submitted By: Ali Uppal


Which of the following statement is incorrect regarding the locomotion in Euglena?

(A) Move with the help of flagellum, attached to the anterior pole of the body.

(B) Flagellum whipping backwards moving the organism forward, and when moves forward the organism moves backward.

(C) Myonemes can change the direction of the body by making it to shorten from anterior to the posterior pole.

(D) None of these

Submitted By: Ali Uppal