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 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 […]
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:
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
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) […]
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 :
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
Options
(a) Calotropis (b) Neem (c) China rose (d) Alstonia
Correct Answer:
Alstonia
Explanation:
Whorled phyllotaxy is a feature of Nerium and Alstonia. In […]
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