Nucellar polyembryony is reported in species of
Options
(a) Citrus (b) Gossypium (c) Triticum (d) Brassica
Correct Answer:
Citrus
Explanation:
Polyembryony is a type of seed formation in which the nucellar cells that are […]
Agarose extracted from sea weeds finds use in :
Options
(a) Spectrophotometry (b) Tissue culture (c) PCR (d) Gel electrophoresis
Correct Answer:
Gel electrophoresis
Explanation:
In gel electrophoresis agarose extracted from sea weed […]
In angiosperms, functional megaspore develops into
Options
(a) embryo sac (b) ovule (c) endosperm (d) pollen sac
Correct Answer:
embryo sac
Explanation:
During megagametogenesis functional megaspore (mostly chalazal) gives rise to embryo sac. This […]
Filiform apparatus is a characteristic feature of
Options
(a) suspensor (b) egg (c) synergid (d) zygote
Correct Answer:
synergid
Explanation:
A synergid cell wall forms a highly thickened structure called the filiform apparatus […]
Maximum number of existing transgenic animals is of :
Options
(a) fish (b) mice (c) cow (d) pig
Correct Answer:
mice
Explanation:
No explanation available. Be the first to write the explanation for […]
In which one of the following pollination is autogamous?
Options
(a) Geitonogamy (b) Xenogamy (c) Chasmogamy (d) Cleistogamy
Correct Answer:
Cleistogamy
Explanation:
Cleistogamy is autogamous pollinatin. When pollination and fertilization occur in unopened […]
Which one of the following is not a part of a renal pelvis?
Options
(a) Peritubular capillaries (b) Convoluted tubules (c) Collecting ducts (d) Loops of Henle
Correct Answer:
Collecting ducts
Explanation:
Renal pelvis […]
Which one of the following is wrongly matched about root veg?
Options
(a) Root pressure – Guttation (b) Puccinia – Smut (c) Root – Exarch protoxylem (d) Cassia – Imbricate aestivation
Correct Answer: […]
Uricotelic mode of passing out nitrogenous wastes is found in
Options
(a) Reptiles and Bird (b) Birds and Annelids (c) Amphibians and Reptiles (d) Insects and Amphibians
Correct Answer:
Reptiles and Bird
Explanation:
An […]
The cells lining the blood vessels belong to the category of:
Options
(a) smooth muscle tissue (b) squamous epithelium (c) columnar epithelium (d) connective tissue
Correct Answer:
squamous epithelium
Explanation:
The lining of […]
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