Botany Objective Questions and Answers for Competitive Exams

1 Water in plants is trans-ported by
A xylem
B epidermis
C phloem
D cambium

Answer: Option [A]
2 The presence of what distinguishes a plant cell from an animal cell?
A Nucleus
B Cell wall, Chloroplasts, Vacuoles
C Cell membrane
D None of these

Answer: Option [B]
3 The chemical used for destroying Fungi in water tanks is?
A Nitric acid
B Zinc sulphate
C Magnesium sulphate
D Copper sulphate

Answer: Option [D]
4 Clove, the commonly used spice is obtained from the
A fruit
B flower bud
C stem
D root

Answer: Option [B]
5 Ginger is a stem and not a root because
A It lacks chlorophyll
B It stores food material
C It has notes and internodes
D It grows horizontally in the soil

Answer: Option [C]
6 Which of the following is not a component of chlorophyll?
A Calcium
B Carbon
C Magnesium
D Hydrogen

Answer: Option [A]
7 Carrot is orange in colour because
A It grows in the soil
B It contains carotene
C It is not exposed to sunlight
D The entire plant is orange in colour

Answer: Option [B]
8 During photosynthesis green plants absorb
A oxygen
B nitrogen
C carbon monoxide
D carbon dioxide

Answer: Option [D]
9 Toxicology is related to the study of
A poisons
B diseases
C bacteria
D viruses

Answer: Option [A]
10 Besides carbohydrates, a major source of energy in our food is constituted by
A Vitamins
B Minerals
C Fats
D Proteins

Answer: Option [C]

NCERT Class 12 Biology Solved Multiple Choice Questions



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