The pair of quantities having same dimensions is
Options
(a) Young’s modulus and energy (b) impulse and surface tension (c) angular momentum and work (d) work and torque
Correct Answer:
work and torque
Bundle sheath cells
Options
(a) Are rich in RuBisCO (b) Are rich in PEP carboxylase (c) lack RuBisCO (d) Lack both RuBisCO and PEP carboxylase
Correct Answer:
Are rich in RuBisCO
Explanation:
In C₄ […]
Inflorescence is racemose in
Options
(a) Soyabean (b) Brinjal (c) Tulip (d) Aloe
Correct Answer:
Soyabean
Explanation:
Inflorescence in family fabaceae(e.g.,soyabean) is racemose. Inflorescence in family liliaceae(e.g.,tulip, Aloe) is solitary/cymose; often umbellate. Inflorescence […]
The plant body is thalloid in
Options
(a) Funaria (b) Sphagnum (c) Salvinia (d) Marchantia
Correct Answer:
Marchantia
Explanation:
The plant body of a liverwort is haploid (n), gametophytic, small, dorsoventrally flattened, thallose, dichotomously […]
Uridine, present only in RNA is a
Options
(a) Pyrimidine (b) Nucleoside (c) Nucleotide (d) Purine
Correct Answer:
Nucleoside
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The viability of seeds is tested by
Options
(a) Safranine (b) 2, 6 dichlorophenol indophenols (c) 2, 3, 5 triphenyl tetrazolium chloride (d) DMSO
Correct Answer:
2, 3, 5 triphenyl tetrazolium chloride
Explanation: […]
Down’s syndrome in humans is due to
Options
(a) Two ‘Y’ chromosomes (b) Three ‘X’ chromosomes (c) Three copies of chromosomes 21 (d) Monosomy
Correct Answer:
Three copies of chromosomes 21
Explanation:
Down’s […]
In an inducible operon, the genes are
Options
(a) Always expressed (b) Usually not expressed unless a signal turns them “on” (c) Usually expressed unless a signal turns them “off” (d) Never expressed
During muscle contraction in humans the
Options
(a) Actin filaments shorten (b) Sarcomere does not shorten (c) A band remain same (d) A, H and I bands shorten
Correct Answer:
A band remain same
Gentic variation in a population arises due to
Options
(a) Mutations only (b) Recombination only (c) Mutations as well as recombination (d) Reproductive isolation and selection
Correct Answer:
Mutations as well as recombination
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