Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Archaeopteryx had the following reptilian characters –
a. Teeth on jaw, tail, beak
b. Clawed wings, teeth on jaw, tail
c. Clawed wings, scales, feathers
d. Teeth on jaw, feathers, tail
Q. Which of the following vertebrates lack exoskeleton?
a. Amphibia
b. Mammalia
c. Avis
d. Chondrichthyes
Q. Which cells in our body have the least regenerative power?
a. Brain cells
b. Muscle cells
c. Bone cells
d. Liver cells
Q. A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?
a. From brown to blue-black
b. From brown to orange-red
c. From blue to pink
d. From pink to blue-green
Q. Which animal may suffer from foot and mouth disease?
a. Cattle
b. Cattle and sheep
c. Cattle and pigs
d. Cattle, sheep and pigs
Q. What does enamel cover?
a. Crown of the tooth
b. Dentin on all sides
c. Cementum
d. Cementum and partly dentin
Q. Blood pressure is the pressure exerted by blood on the walls of –
a. Heart
b. Veins
c. Arteries
d. Capillaries
Q. Which one of the Endocrine glands is known as master gland?
a. Pituitary
b. Adrenal
c. Thyroid
d. Parathyroid
Q. The biological death of a patient means the death of tissues of the -
a. kidney
b. heart
c. brain
d. lungs
Q. The method used to obtain alcohol from molasses is called –
a. distillation
b. hydrolysis
c. fermentation
d. oxidation
Q. Which part of saffron plant is used to obtain the spice 'saffron'?
a. Dry stigma
b. Leaves
c. Fruits
d. Petals
Q. Photosynthesis is –
a. An exothermic process
b. An endothermic process
c. A neutral process
d. A thermostatic process