Biology MCQ Assessment

Question: 1 The semi fluid mass of partly digested food is called chyme. Formation of chyme takes place in

a. Mouth
b. Small intestine
c. Large intestine
d. Liver
e. Stomach

Question: 2 Which of the following kinds of signalling occurs when the cells communicate with each other through direct contact?

a. Endocrine signalling
b. Paracrine signalling
c. Juxtacrine signalling
d. Intracrine signalling
e. None of the above

Question: 3 Chains of sarcomeres in muscles are organized into

a. Sarcolemma
b. Sarcoplasm
c. Myoblasts
d. Myofibrils
e. Fascia

Question: 4 Which of the given organelles is not present in animal cells?

a. Nucleus
b. Golgi apparatus
c. Lysosome
d. Leucoplast
e. Mitochondria

Question: 5 The adipose tissue plays role in

a. Pigment storage
b. Fat storage
c. Stretching
d. Binding organs
e. None of the above

Question: 6 The shortest phase of cardiac cycle is

a. Atrial systole
b. Ventricular systole
c. Atrial diastole
d. Ventricular diastole
e. Equal duration for A and B

Question: 7 Implantation is the process where

a. The blastocyst becomes embedded in the endometrium.
b. The sperm nuclei fuse with the egg nuclei
c. Loss of the lining of endometrium takes place
d. The gastrula becomes embedded in the endometrium
e. None of the above

Question: 8 Acceptor stem is present in

a. tRNA
b. rRNA
c. siRNA
d. mRNA
e. hnRNA

Question: 9 In the process of animal development, gastrulation is represented as

a. Gamete to zygote
b. Zygote to blastula
c. Blastula to gastrula
d. Gastrula to neurula
e. None of the above

Question: 10 A measure of the disorder or randomness in a closed system is called

a. Entropy
b. Enthalpy
c. Potential energy
d. Kinetic energy
e. None of the above

Question: 11 In amphibian, vitellogenin is synthesized by

a. Oocyte
b.. Uterus
c. Liver
d. Spleen
e. Intestine

Question: 12 The state of a neuron which inhibits the generation of action potential is said to be

a. Depolarized
b. Repolarized
c. Hyperpolarized
d. Resting potential
e. A, B and D

Question: 13 The term ‘staminate’ refers to

a. Unisexual male flower bearing stamens
b. Unisexual female flower bearing pistils
c. Bisexual flower bearing stamens and pistils
d. Unisexual male flower bearing pistils
e. Unisexual female flower bearing stamens

Question: 14 Which protein is targeted by cholera toxin?

a. G proteins
b. Actin
c. Permease
d. Vinculin
e. Vitonectin

Question: 15 The process of delivery of foetus is called

a. Implantation
b. Lactation
c. Parturition
d. Fertilization
e. None of the above

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