The wavelength of light absorbed by Pr form of photochrome is
The wavelength of light absorbed by Pr form of phytochrome is
Options
(a) 680 nm (b) 720 nm (c) 620 nm (d) 640 nm
Correct Answer:
680 nm
Explanation:
The Pr form absorbs light […]
Questions
The fleshy receptacle of syconus of fig encloses a number of:
The fleshy receptacle of syconus of fig encloses a number of:
Options
(a) Achenes (b) Samaras (c) Berries (d) Mericarps
Correct Answer:
Achenes
Explanation:
The fleshy receptacle of syconus of fig encloses a […]
The cells lining the blood vessels belong to the category of:
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 […]
Microbe used for biocontrol of pest butterfly caterpillars is
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
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) […]
Isogamous condition with non-flagellated gametes is found in :
Isogamous condition with non-flagellated gametes is found in :
Options
(a) Spirogyra (b) Volvox (c) Fucus (d) Chlamydomonas
Correct Answer:
Spirogyra
Explanation:
In Spirogyra, sexual reproduction occurs through conjugation. Gametes are non-flagellated morphologically similar. […]
In unilocular ovary with a single ovule the placentation is :
In unilocular ovary with a single ovule the placentation is :
Options
(a) Marginal (b) Basal (c) Free Central (d) Axile
Correct Answer:
Basal
Explanation:
In basal type of placentation, the ovary is […]
Whorled, simple leaves with reticulate venation are present in
Whorled, simple leaves with reticulate venation are present in
Options
(a) Calotropis (b) Neem (c) China rose (d) Alstonia
Correct Answer:
Alstonia
Explanation:
Whorled phyllotaxy is a feature of Nerium and Alstonia. In […]
Which one of the following kinds of animals are triploblastic?
Which one of the following kinds of animals are triploblastic?
Options
(a) Flat worms (b) Sponges (c) Ctenophores (d) Corals
Correct Answer:
Flat worms
Explanation:
Triploblastic condition can be seen in flat worms. […]
Which of the following has maximum genetic diversity in India?
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 […]