71. Thorns, spines and prickles are
A
Defensive organs
B
Respiratory organs
C
A and B both
D
None of the above
Answer :
Defensive organs
72. Plants which yield pulses belong to family
A
Papilionaceae
B
Rosaceae
C
Malvaceae
D
Compositae
Answer :
Papilionaceae
73. Which of the following are Schizocarpic fruits
A
Siliqua & Legume
B
Capsule & Berry
C
Lomentum & Capsule
D
Carcerulus & Lomentum
Answer :
Carcerulus & Lomentum
74. The aleurone layer in maize grain is specially rich in
A
auxins
B
proteins
C
starch
D
lipids
Answer :
proteins
75. Replum is
A
Flase placenta
B
Flase septum
C
Flase ovule
D
Flase thalamus
Answer :
Flase septum
76. Ornamental plant 'Tulip' belongs to which family
A
Asterceae
B
Brassicaceae
C
Solanaceae
D
Liliaceae
Answer :
Liliaceae
77. The botanical name of "Satwar" is
A
Smilax
B
Asparagus
C
Yucca
D
Lilium
Answer :
Asparagus
78.
is floral formula of
A
Liliaccae
B
Solanaceae
C
Asteraceae
D
Fabaceae
Answer :
Fabaceae
79. Onion and garlic both belong to the family
A
Cucurbitaceae
B
Graminae
C
Compositae
D
Liliaceae
Answer :
Liliaceae
80. The leguminous plants are important in agriculture because
A
They are disease resistant
B
They require very little irrigation
C
They help in nitrogen economy of nature
D
Crops of legumes can be produced in a year
Answer :
They help in nitrogen economy of nature