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Quiz on Biology Set 12 - MCQ Buddy

Quiz on Biology Set 12

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Quiz on Biology Set 12 :

Q. 1) A medicinal substance given against the intake of poisons or to prevent a disease from having an effect is known as
A antibiotic
B antibody
C antigen
D antidote

Correct Ans: Option D
Q. 2) Plants absorb dissolved nitrates from soil and convert them into
A Free nitrogen
B Ammonia
C Urea
D Proteins

Correct Ans: Option A
Q. 3) Human blood contains --- percentage of plasma.
A 40%
B 35%
C 50%
D 65%

Correct Ans: Option D
Q. 4) Green plants evolve oxygen during the day rather than carbon dioxide. This means that:
A green plants respire during the day also but the rate of respiration is very low
B green plants respire only at night
C the rate of photosynthesis is much higher than the rate of respiration.
D green plants do not respire

Correct Ans: Option A
Q. 5) Which of the following nitrogenous excretory products can be excreted in solid form?
A Urea
B Uric acid
C Ammonia
D Creatinine

Correct Ans: Option C
Q. 6) The only movable bone in the skull is
A maxilla
B mandible
C nasal
D frontoparietal

Correct Ans: Option B
Q. 7) Proteins differ from one another because
A The peptide bonds linking amino acids differ from protein to protein
B The sequence of amino acids in the polypeptide chain differs from protein to protein
C The number of nucleotides found in each protein varies from molecule to molecule
D Each protein contains its own unique sequence of sugar molecules

Correct Ans: Option B
Q. 8) Consider the following statements:
1.Diabetes insipidus causes diuresis, i.e., urine is passed out several times more than in a normal person.
2.A person with diabetes insipidus suffers from very low or no output of vasopressin.
3.Such diabetic patients drink large quantity of water.
4.Vasopressin is secreted by hypothalamus and stored in posterior pituitary. Which of the above statements is/are correct?
A 2, 4
B 1, 3, 4
C 1, 3
D 1, 2, 3, 4

Correct Ans: Option D
Q. 9) O2 released in the process of photosynthesis comes from
A Sugar
B Pyruvic acid
C CO2
D Water

Correct Ans: Option D
Q. 10) Such fish that are found in rivers in Australia and Africa where water is too foul to support life with the usual gills are
1.dipnoins
2.lung fishes
3.sturgeons
4.guppies
A 2, 3, 4
B 1, 2
C 3, 4
D 1, 2, 4

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [D],     Q.2 [A],     Q.3 [D],     Q.4 [A],     Q.5 [C],     Q.6 [B],     Q.7 [B],     Q.8 [D],     Q.9 [D],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Biology
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