Question 1.
Normal adult human male has
A. 10 gram of haemoglobin/100 gram of blood
B. 14 gram of haemoglobin/100 gram of blood
C. 18 gram of haemoglobin/100 gram of blood
D. 24 gram of haemoglobin/100 gram of blood
B. 14 gram of haemoglobin/100 gram of blood
Question 2.
Plant bends towards the source of light on account of the movement of curvature known as
A. geotropism
B. thigmotropism
C. chemotropism
D. phototropism
D. phototropism
Question 3.
Pigmentation of skin is due to
A. lymphocytes
B. monocytes
C. leucocytes
D. melanocytes
D. melanocytes
Question 4.
Organic Substances which, in very small amounts, control growth and development called
A. vitamins
B. hormones
C. enzymes
D. None of the above
B. hormones
Question 5.
Plants wilt due to excess of
A. transpiration
B. photosynthesis
C. absorption
D. None of these
A. transpiration
Question 6.
Plant have __ while animals lack it.
A. starch
B. cellulose
C. protein
D. fat
B. cellulose
Question 7.
Norepinephrine increases
A. respiration
B. urine production
C. saliva production
D. blood pressure
D. blood pressure
Question 8.
Our major foods, fibres, spices, fruits and beverage crops are
A. flowering plants
B. gymnosperms plants
C. pteridophytes
D. bryophytes
A. flowering plants
Question 9.
Monotremes are unique mammals because they
A. posses hair
B. give birth to live young
C. secret milk in a pouch
D. lay eggs
D. lay eggs
Question 10.
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
A. Exact concentration of solution is not given
B. Character of semi permeable membrane is not given
C. The flow of solution is not possible through semi permeable membrane
D. All are incorrect
C. The flow of solution is not possible through semi permeable membrane
Question 11.
Night blindness is cause by lack of which vitamin?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
A. Vitamin A
Question 12.
Movements due to light are shown by
A. flowering plants
B. lower plants
C. all land plants
D. all the plants
A. flowering plants
Question 13.
Poison glands of snakes are homologous to
A. electric organs of fishes
B. stings of rays
C. sebaceous glands of mammals
D. salivary glands of vertebrates
D. salivary glands of vertebrates
Question 14.
Photosynthesis is a process
A. reductive and exergonic
B. reductive and catabolic
C. reductive, endergonic and catabolic
D. reductive, endergonic and anabolic
D. reductive, endergonic and anabolic
Question 15.
Monocot root differs from dicot root in having
A. open vascular bundles
B. scattered vascular bundles
C. well developed pith
D. radially arranged vascular bundles
C. well developed pith
Question 16.
Outer covering of virus made up of protein is
A. capsid
B. coat
C. virion
D. viriod
A. capsid
Question 17.
Radical vascular bundles are those in which
A. xylem is surrounded by phloem
B. phloem is surrounded by xylem
C.xylem and phloem occur on the same radius
D. xylem and phloem occur on the different radii
D. xylem and phloem occur on the different radii
Question 18.
On which of the following plants did Gregor Mendal perform his classical experiment?
A. Gram
B. Maize
C. Pea
D. Wheat
C. Pea
Question 19.
Radioactivity is a phenomenon of the spontaneous emission of
A. protons (alpha particles)
B. electrons (beta particles)
C. gamma rays (short wave electromagnetic waves)
D. All of the above
D. All of the above
Question 20.
Radish is a
A. bulb
B. conn
C. modified root
D. tuber
C. modified root
Biology GK Questions All SET MCQ-
- Biology GK Questions SET-1
- Biology GK Questions SET-2
- Biology GK Questions SET-3
- Biology GK Questions SET-4
- Biology GK Questions SET-5
- Biology GK Questions SET-6
- Biology GK Questions SET-7
- Biology GK Questions SET-8
- Biology GK Questions SET-9
- Biology GK Questions SET-10
- Biology GK Questions SET-11
- Biology GK Questions SET-12
- Biology GK Questions SET-13
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