Passage cells are thin walled cells found in
Passage cells are thin walled cells found in
Options
(a) phloem elements that serve as entry points for substance for transport ot other plant parts (b) testa of seeds to enable emergence of […]
Questions
The living organisms can be unexceptionally distinguished from the non-living
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
Options
(a) interaction with the environment and progressive evolution (b) reproduction (c) growth and movement […]
Select the correct statement from the following?
Select the correct statement from the following?
Options
(a) Fitness is the end result of the ability to adapt and gets selected by nature (b) All mammals except whales and camels have seven […]
ICBN stands for
ICBN stands for
Options
(a) International Code of Botanical Nomenclature (b) International congress of Biological Names (c) Indian Code of Botanical Nomenclature (d) Indian Congress of Biological Names.
Correct Answer:
International Code of […]
What is not a common feature is perplaneta and scorpions
What is not a common feature is perplaneta and scorpions
Options
(a) Excretory organs are malpighian tubules (b) no appendages in abdomen (c) Respiratory organs are trachea (d) Both are mostly terrestrial arthropods
Pentamerous, actinomorphic flowers, bicarpellate ovary with oblique septa and fruit
Pentamerous, actinomorphic flowers, bicarpellate ovary with oblique septa and fruit a capsule of berry, are characteristic features of
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(a) Brassicaceae (b) Solanaceae (c) Liliaceae (d) Asteraceae
Correct Answer:
Solanaceae
Explanation:
Pentamerous, actinomorphic […]
Which one of the following statements is correct? Azotobacter
Which one of the following statements is correct ?
Options
(a) Both Azotobacter and Rhizobium fix atomspheric nitrogen in root nodules of plants (b) Cyanobacteria such as Anabaena and Nostoc are important mobilizers […]
Carbohydrates are commonly found as starch in plant storage organs
Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starach (a-e) make it useful as a storage material? (A) Easily translocated (B) Chemically non-reactive (C) Easily digested […]
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm […]
The repture and fractionation do not usually occur in the water column in vessel
The repture and fractionation do not usually occur in the water column in vessel / tracheids during the ascent of sap because of
Options
(a) lignified thick walls (b) cohension and adhesion (c) […]