Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as
Options
(a) Nucleosome (b) Plastidome (c) Polyhedral bodies (d) Polysome
In which of the following forms is iron absorbed by plants?
Options
(a) Both ferric and ferrous (b) Free element (c) Ferrous (d) Ferric
Correct Answer:
Ferric
Explanation:
Iron is absorbed by plants […]
Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system
Options
(a) Osteichthyes (b) Aves (c) Reptilia (d) Amphibia
Correct Answer:
Aves
Explanation:
The digestive tract of Aves has […]
Conversion of milk to curd improves its nutritional value by increasing the amount of
Options
(a) Vitamin E (b) Vitamin B12 (c) Vitamin A (d) Vitamin D
Correct Answer:
Vitamin B12
Explanation:
Curd is […]
Ciliates differ from all other protozoans in
Options
(a) having two types of nuclei (b) using pseudopodia for capturing prey (c) having a contractile vacuole for removing excess water (d) using flagella for locomotion
Calcium is important in skeletal muscle contraction because it
Options
(a) Prevents the formation of bonds between the myosin cross bridges and the actin filament (b) Detaches the myosin head from the actin filament […]
After karyogamy followed by meiosis, spores are produced exogenously in
Options
(a) Saccharomyces (b) Agaricus (c) Alternaria (d) Neurospora
Correct Answer:
Agaricus
Explanation:
In Agaricus (a genus of basidiomycetes), basidiospores or meiospores are produced […]
Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?
Options
(a) Viola (b) Banana […]
Which of the following is not a product of light reaction of photosynthesis?
Options
(a) Oxygen (b) NADPH (c) NADH (d) ATP
Correct Answer:
NADH
Explanation:
ATP, NADPH and oxygen are products of […]
Winged pollen grains are present in
Options
(a) Pinus (b) Mango (c) Cycas (d) Mustard
Correct Answer:
Pinus
Explanation:
In Pinus, winged pollen grains are present. It is extended outer exine on two lateral […]
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