In India, the spread of Opuntia was controlled by
Options
(a) introducing insects (b) spraying D.D.T. (c) letting loose cattles (d) growing trees
Correct Answer:
introducing insects
Explanation:
The control of pests by biological […]
In tissue culture, addition of which of the following substance promotes the growth of buds?
Options
(a) colchicine (b) urea (c) auxins (d) cytokinin
Correct Answer:
cytokinin
Explanation:
In tissue culture both auxin and […]
Insecticides usually act upon
Options
(a) digestive system (b) nervous system (c) circulatory system (d) muscular system
Correct Answer:
nervous system
Explanation:
An insecticide is a pesticide used against insects in all developments […]
International Rice Research Institute (IRDI) is located in
Options
(a) Japan (b) Philippines (c) Mexcio (d) India
Correct Answer:
Philippines
Explanation:
The International Rice Research Institute (IRRI) is known for its work in […]
Kurfi Pukhraj is a hybrid clone of
Options
(a) rice (b) grape (c) wheat (d) cotton
Correct Answer:
cotton
Explanation:
No explanation available. Be the first to write the explanation for this question […]
MOET is a method of
Options
(a) fish cultivation (b) birth control in humans (c) cloning is sheep (d) hybridization in cattles
Correct Answer:
hybridization in cattles
Explanation:
Multiple Ovulation Embryo Transfer (MOET) […]
Most potential organism for the production of insecticide is
Options
(a) Xanthomonas oryzae (b) Bacillus thuringiensis (c) Eramis tiliaria (d) Helianthis zea
Correct Answer:
Bacillus thuringiensis
Explanation:
Bacillus thuringiensis produces delta-endotoxin and it kills […]
Pesticides are generally
Options
(a) highly selective (b) selective (c) non selective (d) low selective
Correct Answer:
non selective
Explanation:
Pesticides are non selective in their mode of action, so these also kill […]
Pollen Basket is
Options
(a) a basket made of pollen (b) a simple basket (c) sac in flowers where pollen are carried (d) cavity in hind leg of a worker bee
Correct Answer:
cavity […]
Protein present in silk fibre is
Options
(a) collagen (b) fibroin (c) elastin (d) casein
Correct Answer:
fibroin
Explanation:
Silk protein fibroin (β-keratin protein) is produced by modified salivary glands of silk worms […]
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