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1. Phyllode is present in _________.
A. Australian Acacia
B. Asparagus
C. Opuntia
D. Euphorbia
ANSWER: A.Australian Acacia
SOLUTION :Phyllodes are widespread in the genus Acacia, particularly the Australian species, at one moment put in Acacia subgenus. Phyllodinea. Sometimes, particularly on younger plants, partly shaped phyllodes assume minor leaves can be seen.
2. Vegetative propagation in Pistia occurs by _________.
A. Stolon
B. Runner
C. Offset
D. Sucker
ANSWER:C.Offset
SOLUTION:In Pistia vegetative propagation occurs by offset. Offsets are one of the units of vegetative reproduction which occurs in some aquatic plants.
3. Cymose inflorescence is present in _______.
A. Brassica
B. Trifolium
C. Solanum
D. Sesbania
ANSWER :C.Solanum
SOLUTION:Solanaceae have cymose inflorescence as it has a determinate growth in which the inflorescence meristem terminates into a floral bud followed by the next floral meristem.
4. Coconut fruit is a _______
A. Drupe
B. Berry
C. Nut
D. Capsule
ANSWER: A.Drupe
SOLUTION: Botanically, a coconut fruit is a drupe, which is a fruit with a fleshy outer part that surrounds a hardened endocarp pit with a seed inside.
5. The ovary is half inferior in flowers of_________.
A. Guava
B. Cucumber
C. Peach
D. Cotton
ANSWER:C.Peach
SOLUTION:The ovary is half inferior in the flowers of peaches. Other flowers with half inferior ovaries include plums and roses.
6. Plants which produce characteristics Pneumatophores and show vivipary belong to___________.
A. Mesophytes
B. Psammophytes
C. Halophytes
D. Hydrophytes
ANSWER: C.Halophytes
SOLUTION:Plants that produce pneumatophores and exhibit vivipary belong to halophytes.
7. The standard petal of a papilionaceous corolla is also called _________.
A. Corona
B. Carina
C. Pappus
D. Vexillum
ANSWER:D.Vexillum
SOLUTION :The standard petal of a papilionaceous corolla is also called the vexillum.
8. Non – albuminous seed is produced in _______.
A. Maize
B. Castor
C. Wheat
D. Pea
ANSWER: D.Pea
SOLUTION:Non-albuminous seed is produced in pea.
9. Seed coat is not thin, membranous in _______.
A. Coconut
B. Groundnut
C. Gram
D. Maize
ANSWER:A.Coconut
SOLUTION: The coconut is a drupe or a fleshy fruit having hard lignified stone derived from the wall of the ovary. The seed coat is thus not thin, but membranous and tough.
10. Radial symmetry is found in the flowers of ________.
A. Cassia
B. Trifolium
C. Brassica
D. Pisum
ANSWER: C.Brassica
SOLUTION:
The Brassica flower can be cut into two equal halves from any plane. So it shows radial symmetry. These flowers are referred to as actinomorphic flowers.