Botany Quiz | Botany Multiple Choice Questions with Answers

Questions
61 Formation of diploid embryosac from diploid vegetative structure, e.g., nucellus or integument etc., without meiosis is called:
A Apospory
B Apomixis
C Diplospory
D Adventives polyembryony

Answer: Apospory
62 Basal placentation is found in the family:
A Asteraceae
B Fabaceae
C Malvaceae
D Solanaceae

Answer: Asteraceae
63 In a pond ecosystem, benthos means:
A Primary consumes in the bottom of a pond
B Zooplanktons on water surface
C Large fishes eating small ones
D All phytoplankton’s

Answer: Primary consumes in the bottom of a pond
64 Eyes on potato tubers represent:
A Nodes with buds
B Sutures
C Rootlets
D Scars

Answer: Nodes with buds
65 Fungus without mycelium is:
A Saccharomyces
B Rhizopus
C Puccinia
D Mucor

Answer: Saccharomyces
66 The pigment involved in photo morphogenetic movements is:
A Phytochrome
B Vernalin
C Cytochrome
D Chromatin

Answer: Phytochrome
67 Tyloses are:
A Sieve plates
B Tracheal plugs plugging the lumen of vessels and tracheids
C Lactiferous channels
D Secretory cells

Answer: Tracheal plugs plugging the lumen of vessels and tracheids
68 Ribozyme is:
A RNA with enzymatic activity
B enzyme
C Hormone
D Protein

Answer: RNA with enzymatic activity
69 In Bignonia eapreolata pollination is carried out by:
A Wind
B Bird
C Insect
D Bat

Answer: Bat
70 Genetic engineering is related with:
A Eugenics
B Euthenics
C Euphenics
D All of these

Answer: Euphenics
71 Floating roots are the characteristics feature of:
A Jussiaea
B Cuscuta
C Viscum
D Vanda

Answer: Jussiaea
72 Which one of the following is the earliest land plant?
A Synchytrium
B Cycas
C Ulothrix
D Rhynia

Answer: Rhynia
73 The hormone responsible for ripening of fruits is
A Ethylene
B Cytokinin
C Auxin
D ABA

Answer: Ethylene
74 Coir is the commercial product of coconuts:
A Endosperm
B Pericarp
C Endocarp
D Mesocarp

Answer: Mesocarp
75 Polygenic genes show:
A Similar genotype
B Different genotype
C Similar phenotype
D Different phenotype

Answer: Different phenotype
76 Select the correct statement:
A Legumes are incapable of fixing nitrogen
B Legumes fix nitrogen through bacteria living in fruits root
C Legumes fix nitrogen only by bacteria present in nodules
D None of the above

Answer: Legumes fix nitrogen only by bacteria present in nodules
77 Azotobacter and Beijerinckia are the examples of
A Symbiotic nitrogen-fixers
B Non-symbiotic nitrogen-fixers
C Ammonifying bacteria
D Disease causing bacteria

Answer: Non-symbiotic nitrogen-fixers
78 Smilax a climbing genus belongs to
A Cucurbitaceae
B Solanaceae
C Liliaceae
D Cruciferae

Answer: Liliaceae
79 The scutellum of the gram embryo is a:
A Vestigial organ
B Photosynthetic organ
C Absorptive organ
D Protective organ

Answer: Vestigial organ
80 In certain parts of India, muscular dystrophy is commonly found amongst the poor people because they eat cheap pulse from the plant
A Pisum satiuvm
B Lathyrus sativus
C Cicer arietmum
D Phaseolus mungo

Answer: Lathyrus sativus
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