In the dermal tissue, _______ are associated with stoma.

A. Pigment cells
B. Collenchyma cells
C. Trichomes
D. Epidermal cells
E. Guard cells


Ans: E. Guard cells

Biology & Microbiology

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Crossing over during prophase I results in ________

A) nondisjunction B) reciprocal translocation C) duplication D) genetic recombination

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Which of the following is the usual trigger for seed germination?

A) water B) warm temperatures C) oxygen D) sunlight

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Two species that have a high degree of niche overlap will

A) split into two separate species. B) interbreed. C) be in a predator-prey relationship. D) coexist peacefully. E) compete intensely.

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