Which of the following ions help in muscle contraction
Which of the following ions help in muscle contraction?
Options
(a) K⁺ and Mg⁺⁺ (b) Na⁺ and K⁺ (c) Ca⁺⁺ and Na⁺ (d) Ca⁺⁺ and Mg⁺⁺
Correct Answer:
Ca⁺⁺ and Mg⁺⁺
Explanation:
Ca²⁺ […]
Questions
Which of the following inhibits the growth of lateral auxillary buds
Which of the following inhibits the growth of lateral auxillary buds?
Options
(a) auxin (b) ethylene (c) cytokinin (d) gibberellin
Correct Answer:
auxin
Explanation:
Apical dominance is the phenomenon of suppression of growth […]
Which of the following in not a true subcellular organelle
Which of the following in not a true subcellular organelle?
Options
(a) peroxisome (b) ribosome (c) chloroplast (d) lysosome
Correct Answer:
ribosome
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following hormones can play a significant role in osteoporosis
Which of the following hormones can play a significant role in osteoporosis?
Options
(a) Parathyroid hormone and Prolactin (b) Estrogen and Parathyroid hormone (c) Progesterone and Aldosterone (d) Aldosterone and Prolactin
Correct Answer: […]
Which of the following have eye structure nearest to that of vertebrates
Which of the following have eye structure nearest to that of vertebrates
Options
(a) insecta (b) polychaeta (c) cephalopods (d) crustacea
Correct Answer:
cephalopods
Explanation:
No explanation available. Be the first to write […]
Which of the following has maximum water potential
Which of the following has maximum water potential?
Options
(a) pure water (b) 2% sucrose solution (c) 4% glucose solution (d) 10% sodium chloride solution
Correct Answer:
pure water
Explanation:
Water potential of […]
Which of the following gastric cells indirectly help in erythropoiesis
Which of the following gastric cells indirectly help in erythropoiesis?
Options
(a) Parietal cells (b) Goblet cells (c) Mucous cells (d) Chief cells
Correct Answer:
Parietal cells
Explanation:
Parietal or oxyntic cell is […]
Which of the following flowers only once in its lifetime
Which of the following flowers only once in its life-time?
Options
(a) Papaya (b) Mango (c) Jackfruit (d) Bamboo species
Correct Answer:
Bamboo species
Explanation:
Bamboo species are monocarpic i.e., flower generally only […]
Which of the following features is used to identify a male cockroach from
Which of the following features is used to identify a male cockroach from a female cockroach?
Options
(a) Presence of anal cerci (b) Forewings with darker tegmina (c) Presence of caudal styles (d) […]
Which of the following excretes nitrogenous wastes mainly as urea
Which of the following excretes nitrogenous wastes mainly as urea?
Options
(a) pigeon (b) sea horse (c) man (d) house lizard
Correct Answer:
man
Explanation:
No explanation available. Be the first to write […]