Botany Quiz | Botany Objective Type Questions and Answers

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Questions
21 Which of the following are endangered plants ?
A Senecio hadrasomum
B Punica granatum
C Saintpaulia ionantha
D Ceratozamia hildae

Answer: Punica granatum
22 Consider the following statement:

The ex situ conservation of genetic resources can be done through:

A The establishment of germplasm banks
B The establishment of national parks
C Tissue culture practices
D Maintenance of sanctuaries

Answer: The establishment of national parks
23 Consider the following statements associated with the germination of an angiospermous seed:
A The respiration rate of the germinating seed increases along with the increased enzymatic activity
B As the seed gets hydrated and germinates, enzymatic activity is increased
C The increase in the respiratory rate continues till senescence
D Rate of enzymatic activity decreases

Answer: The respiration rate of the germinating seed increases along with the increased enzymatic activity
24 Consider the following statements:
A Maltose is polymer of fructose
B Sucrose is monosaccharide
C Starch is a fatty acid polymer
D Cutin is a fatty acid polymer

Answer: Starch is a fatty acid polymer
25 The emprical formula for chlorophyII-b is:
A C54 H70 O6 N4 Mg
B C55 H70 O6 N4 Mg
C C55 H22 O5 N4 Mg
D C45 H72 O5 N4 Mg

Answer: C55 H70 O6 N4 Mg
26 Consider the following regions of India:
A Eastern Ghats
B Western Himalaya
C Eastern Himalaya
D Western Ghats

Answer: Western Himalaya
27 Cyanide resistant respiration is characteristic of:
A Plants
B Animals
C Bacteria
D Viruses

Answer: Plants
28 Development of Sporophyte from gametophyte tissue without fusion of gametes is:
A Apogamy
B Parthenogenesis
C Apospory
D Apomixis

Answer: Apogamy
29 Colchicines bring about:
A Polyploidy
B Cell division
C Cell elongation
D Cell differentiation

Answer: Polyploidy
30 Movement of leaves of sensitive plant, Mimosa pudica are due to:
A Seisnonasty
B Thernonasty
C Hydrothpism
D Chemo nasty

Answer: Seisnonasty
31 Cheese and yoghurt are products of:
A Fermentation
B Pasteurization
C Dehydration
D Distillation

Answer: Fermentation
32 Primary root is:
A Positive hydrotropic
B Positively geotropic
C Negative geotropic
D Negative hydrotropic

Answer: Positive hydrotropic
33 Photorespiration is related to:
A Glyoxysomes
B Peroxisome
C Chloroplast
D Mitochondria

Answer: Peroxisome
34 B-DNA is:
A Antiparallel and right handed
B Antiparallel and left handed
C Parallel and right handed
D Parallel and left handed

Answer: Antiparallel and right handed
35 Haploid cells belong to:
A Megaspore, pollen grain, antipodal
B Integument, pollen grain, endosperm
C Embryo, endosperm and pollen grain
D Integument, pollen grain and antipodal

Answer: Megaspore, pollen grain, antipodal
36 Development of saprophyte from gametophyte, is called
A Apogamy
B Apomixis
C Dip1ospory
D Apospory

Answer: Apogamy
37 Haploid plants can be obtained from:
A Root culture
B Anther culture
C Leaf culture
D Bud culture

Answer: Anther culture
38 The first reaction in photorespiration is:
A Oxygenation
B Decarboxylation
C Carboxylation
D Phosphorylation

Answer: Oxygenation
39 Caruncle develops-from:
A Outer integument
B Ctyledon
C Funiculus
D Inner integuments

Answer: Outer integument
40 In a national park protection is provided to:
A Flora and fauna
B Entire ecosystem
C Fauna only
D Flora only

Answer: Flora and fauna

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