If diploid number of chromosomes in a plant is 40, then the number of chromosomes in a gamete will be
Options
(a) 40 (b) 30 (c) 20 (d) 10
Correct Answer:
20
Explanation: […]
The constant grazing and browsing, in an area, may utilimately result in the formation of
Options
(a) desert (b) dense forests (c) grassland (d) bushy vegetation
Correct Answer:
desert
Explanation:
When natural grasslands […]
C₄ plants are also called
Options
(a) Kerbs type (b) Calvin type (c) Blackman type (d) Hatch-Slack type
Correct Answer:
Hatch-Slack type
Explanation:
No explanation available. Be the first to write the explanation […]
Genetic variation arises by
Options
(a) recombination (b) nucleolus (c) mutation (d) both recombination and mutation
Correct Answer:
both recombination and mutation
Explanation:
No explanation available. Be the first to write the explanation […]
Atmospheric nitrogen-fixation is carried by
Options
(a) Funaria (b) Chlamydomonas (c) Anabaena (d) fern gametophyte
Correct Answer:
Anabaena
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Emasculation is concerned with
Options
(a) hybridisation (b) mass selection (c) clonal selection (d) pure line selection
Correct Answer:
hybridisation
Explanation:
No explanation available. Be the first to write the explanation for this […]
A fungal disease of the poultry is
Options
(a) coccidiosis (b) coryza (c) moniliasis (d) marcks
Correct Answer:
moniliasis
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The plants which flower once in their lifetime are called as
Options
(a) polycarpic (b) cleistogamous (c) monocarpic (d) bicarpic
Correct Answer:
monocarpic
Explanation:
No explanation available. Be the first to write the […]
In the development of a frog, the gastrulation process involves
Options
(a) epiboly (b) invagination (c) emboly (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first […]
Sugarcane is generally propagated vegatatively because
Options
(a) it does not produce seeds (b) incidence of disease gets reduced (c) its seeds have long dormancy (d) it helps in maintaining genetic purity
Correct […]
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