Animal vectors are required for pollination in
Options
(a) Maize (b) Vallisneria (c) Mulberry (d) Cucumber
Correct Answer:
Cucumber
Explanation:
There are different types of vectors involved in pollination. For example, Maize, mulberry […]
During meiosis I, the chromosomes start pairing at
Options
(a) Leptotene (b) Zygotene (c) Pachytene (d) Diplotene
Correct Answer:
Zygotene
Explanation:
During zygotene, a substage of Prophase I of meiosis I, chromosomes start pairing […]
Albuminous seeds store their reserve food mainly in
Options
(a) Perisperm (b) Endosperm (c) Cotyledons (d) Hypocotyl
Correct Answer:
Endosperm
Explanation:
Endosperm is the nutritive tissue which provides nourishment to the embryo in […]
Which one of the following is a hallucinogenic drug?
Options
(a) Opium (b) Caffeine (c) Morphine (d) Lysergic acid diethylamide
Correct Answer:
Lysergic acid diethylamide
Explanation:
No explanation available. Be the first to write […]
Syngamy can occur outside the body of the organism in
Options
(a) Fungi (b) Mosses (c) Algae (d) Ferns
Correct Answer:
Algae
Explanation:
In most aquatic organisms, such as a majority of algae […]
Which of the following elements is a constituent of biotin?
Options
(a) Sulphur (b) Magnesium (c) Cacium (d) Phosphorus
Correct Answer:
Sulphur
Explanation:
Biotin, also known as vitamin H, is a water-soluble B-vitamin. […]
Microbe used for biocontrol of pest butterfly caterpillars is
Options
(a) Trichoderma sp. (b) Saccharomyces cerevisiae (c) Bacillus thuringiensis (d) Streptococcus sp.
Correct Answer:
Bacillus thuringiensis
Explanation:
Bacillus thuringiensis (Bt) produce the insecticidal cry […]
Megaspores are produced from the megaspore mother cells after
Options
(a) Meitotic division (b) Mitotic division (c) Formation of thick wall (d) Differentiation
Correct Answer:
Meitotic division
Explanation:
Single Megaspore Mothe Cell (MMC) […]
Which of the following has maximum genetic diversity in India?
Options
(a) Rice (b) Mango (c) Wheat (d) Groundnut
Correct Answer:
Rice
Explanation:
No explanation available. Be the first to write the explanation […]
What is common in all the three, Funaria, Dryopteris and Ginkgo?
Options
(a) Independent sporophyte (b) Presence of archegonia (c) Well developed vascular tissues (d) Independent gametophyte
Correct Answer:
Presence of archegonia
Explanation:
The […]
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