Which is the part of female reproductive system?
Options
(a) anther (b) embryo sac (c) stamen (d) all of these
Correct Answer:
embryo sac
Explanation:
No explanation available. Be the first to write […]
Which of the following four phases, in the post emergence life of an angiospermic plant, begins just after germination of seed and ends when the plant develops the capacity to reproduce?
Options
(a) […]
Which of these cells is the largest cell of the ovule?
Options
(a) antipodal cell (b) central cell (c) megaspore mother cell (d) the size of the cells varies from species to species […]
Which of these is not essential for allogamy?
Options
(a) self sterility (b) dichogamy (c) heterogamy (d) None of these
Correct Answer:
None of these
Explanation:
No explanation available. Be the first to […]
Which one of the following is male gametes?
Options
(a) megasporangium (b) embryo sac (c) microspore (d) antipodal cell
Correct Answer:
microspore
Explanation:
No explanation available. Be the first to write the explanation […]
Which vector can clone only a small fragment of DNA?
Options
(a) Bactrial artifical chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Comid
Correct Answer:
Plasmid
Explanation:
No explanation available. Be the first […]
Which of the following is a hormone releasing intra Uterine Device (IUD)?
Options
(a) Multiload 375 (b) LNG- 20 (c) Cervical cap (d) Vault
Correct Answer:
LNG- 20
Explanation:
No explanation available. Be […]
Tubectomy is method of sterilization in which:
Options
(a) small part of the fallopian tube is removed or tied up. (b) ovaries are removed surgically (c) small part of vas deferens is removed […]
The first human hormone produced by recombinant DNA tecnology is:
Options
(a) Insulin (b) Estrogen (c) Thyroxin (d) Progesterone
Correct Answer:
Insulin
Explanation:
Mammalian hormones were among the first products prepared in bacteria by […]
Which one of the following statements is not true?
Options
(a) Pollen grains of some plants cause severe allergies and bronchial afflictions in some people (b) The flowers pollinated by flies and bats […]
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