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Botany Objective Questions and Answers for Competitive Exams | Page-4

31 A molecule in plants comparable to haemoglobin in animals is
A Cellulose
B Chlorophyll
C Cytochrome
D Carotene

Answer: Option [B]
32 The curcumin is isolated from
A Garlic
B Turmeric
C Sunflower
D Rose flower

Answer: Option [B]
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33 The plant that behaves as a root parasite is
A Ficus
B Euphorbia
C Cuscuta
D Santalum

Answer: Option [C]
34 The non-green heterotropic plants of plant kingdom are
A fungi
B algae
C ferns
D mosses

Answer: Option [A]
35 Flowers emit fragrance to:
A purify air
B drive away flies
C attract insects
D perform all the above

Answer: Option [C]
36 The plants, which grow under water stress conditions of deserts are:
A Epiphytes
B Xerophytes
C Sciophytes
D Heliophytes

Answer: Option [B]
37 The plants which grow well, only in light are known as
A Sciophilous
B Xerophytes
C Heliophytes
D Epiphytes

Answer: Option [C]
38 The process of imbibition involves
A Diffusion
B Capillary action
C Absorption
D Both (A) and (B)

Answer: Option [C]
39 The biological process in which both aerobes and anaerobes degrade organic matter is
A Nitrifying
B Digesting
C Manuring
D Composting

Answer: Option [D]
40 The plant from which cocoa and chocolate are obtained is a
A herb
B shrub
C small tree
D very big tree

Answer: Option [C]

NCERT Class 12 Biology Solved Multiple Choice Questions


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