GBHSS PENNAGARAM 12 F BOTANY
Authored by RIshi A Anand kumar D
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12th Grade
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alternative forms of a gene are/is called
(a) Genome
(b) Alleles
(c) Genotype
(d) Genetic code
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The first cell of male gametophyte in angiosperm is
(a) Nucleus
(b) Microspore
(c) Primary Endosperm Nucleus
(d) Megaspore
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fruit colour in squash is an example of
(a) Complementary genes
(b) Recessive epistasis
(c) Inhibitory genes
(d) Dominant epistasis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An allohexaploidy contains
(a) Six different genomes
(b) Six copies of three different genomes
(c) Two copies of three different genomes
(d) Six copies of one genome
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion (A) : Gamma rays are generally used to induce mutation in wheat varieties.
Reason : Because they carry lower energy to non-ionize electrons from atom.
(a) (A) is wrong, (R) is correct
(b) (A) and (R) are correct
(c) (A) and (R) are wrong
(d) (A) is correct, (R) is wrong
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The scar left by Funiculus in the seed is
(a) tegmen
(b) radicle
(c) epicotyl
(d) hilum
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a homozygous red flowered plant is crossed with a homozygous white flowered plant then the off- spring will be
(a) All red flowered
(b) Pink flowered
(c) Half red flowered
(d) All white flowered
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