(a) dissolution of tannin in sap
(b) dissolution of middle lamella
(c) formation of ethylene gas
(d) formation of auxin
382 Q) Which of the following should a man consume if he lacks rhodopsin in his eyes?
(a) Orange and amla
(b)Papaya and mango
(c)Watermelon and orange
(d)Lemon and mango
Reason (R) Bacteria are only associated with soil fertility and play hardly any role for food chain."
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
384 Q) Which one of the following is the connecting link between phylum annelida and arthropoda?
(a)Peiipatus
(b) Elphidium
(c) Neopilina
(d) Archaeopteryx
385 Q) Which one among the following affects the flowering in plants?
(a) Gibberellin
(b) Cytokinin
(c) Florigen
(d) Auxin
386 Q) Which one among the following tissues can be used for the extraction of fibres?
(a) xylem and phloem
(b) xylem, phloem and sclerenchyma
(c) xylem, parenchyma and phloem
(d) xylem, phloem, epidermis and sclerenchyma
387 Q) " Assertion (A) Algae and Green fuels are third generation biofuels.
Reason (R) The third generation biofuels are environment friendly and also known as advanced fuels"
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
388 Q) Among the plants, pheromones secreted by the cells. For Which of the following is/are the function of a know more function?
(a) Ail plants for growth and development
(b) Yeast for facilitating mating
(c) All Fungi for Sekual reproduction.
(d) Rhizopus for the formation of zygospore
389 Q) RNA differs from DNA in having
(a) thymine
(b) uracil
(c) adenine
(d) guanine
390 Q) Father of the Indian Systematic Botany is
(a) H Santapau
(b) Birbal Sahni
(c) SR Kashyap
(d) R Mukherjee
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