Which of the following is not correctly matched?
A. Autotroph ⟺ Producer
B. Heterotroph ⟺ Consumer
C. Saprotroph ⟺ Decomposer
D. Herbivore ⟺ Secondary consumer
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Among the following, which one is not an ape?
A. Gibbon
B. Gorilla
C. Langur
D. Orangutan
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Which of the 18 genes required for the formation of the head capsid, is the structural gene for the protein subunit?
A. Gene 20
B. Gene 23
C. Gene 26
D. Gene 29
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Branched stellate hairs occur on the leaf petioles of
A. Solanum melongena
B. Withania somnifera
C. Lantana camara
D. Lantana indica
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Anatomical characteristics of the root include:
A. The xylem is always endarch
B. The trichoblasts give rise to root hairs that are always unicellular
C. The endodermis is devoid of casparian strips
D. None of the above
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In Ephedra, the perforations are circular and the perforation plate is called
A. Foraminate
B. Reticulate
C. Stellate
D. None of the above
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Consideration of phylogeny for classification of plants has been emphasised by
A. Rendle and Takhtajan
B. Bentham and Hooker
C. Engler and Prantl
D. All of the above
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The parthenospore in case of Rhizopus develops into a thick-walled zygospore-like structure called the
A. Aplanospore
B. Zygospore
C. Zoopspore
D. Azygospore
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In the seed plants the vascular cylinder is dissected by both the leaf gaps and interfascicular regions. Such a stele is called
A. Haplostele
B. Eustele
C. Cladosiphonic
D. Meristele
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In the following pairs of plants and their edible parts, which pair is not correctly matched?
A. Ginger ⟺ Rhizome
B. Onion ⟺ Fleshy leaves
C. Potato ⟺ Roots
D. Coconut ⟺ Endosperm
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In case of lysogenic viruses, the mode of infection is said to be
A. Virulent
B. Temperate
C. Non-virulent
D. Both B and C
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Yeast is an example of
A. Bacteria
B. Fungus
C. Virus
D. Algae
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The main constituent of opium is
A. Morphine
B. Heroin
C. Atropine
D. Quinine
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Consider the following statements about mosquitoes.
1. Only males suck blood.
2. Only females suck blood.
3. Females suck plant juices.
4. Males have bigger wings than females.
5. Females have bigger wings than males.
Of these
A. Only 2 and 4 are correct
B. Only 1 and 2 are correct
C. Only 3 and 5 are correct
D. Only 2 and 5 are correct
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Which of the following chemical compounds is used in water to poison the algae belonging to Cyanophyta?
A. Sodium sulphate
B. Potassium sulphate
C. Copper sulphate
D. Chromium sulphate
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Asexual reproduction in the advanced lower fungi, which are strictly terrestrial is by means of non-motile, encapsulated, wind disseminated spores known as the
A. Zoospores
B. Zygospores
C. Aplanospores
D. Plasmospores
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'Comose' seeds are seeds with
A. long hairs
B. wings
C. bristles
D. hooks
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The maximum amount of water, which plants need to grow that is absorbed by the following?
A. Embryonic zone
B. Growing point
C. Zone of elongation
D. Root hairs
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Read the given statements.
Assertion (A): The root systems of desert plants are longer.
Reason (R): High temperature of soil encourages the growth of roots.
Referencing above, which one is the right answer?
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C. (A) is true, but (R) is false
D. (A) is false, but (R) is true
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Which one of the following animals stores water in the intestine?
A. Moloch
B. Camel
C. Zebra
D. Urornastix
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