Morphology of Flowering Plants Questions and Answers Part-6

1. In cymose the type of inflorescence is
A. Main axis terminates into flower.
B. Flower born in basipetal order.
C. Main axis not terminates into flower.
D. Flower born in acropetal order.
a) A and B only
b) C and D only
c) A and C only
d) B and C only

Answer: a
Explanation: A and B only

2. In racemose type of inflorescence,
A. Main axis terminates into flower.
B. Flower born in basipetal order.
C. Main axis not terminates into flower.
D. Flower born in acropetal order.
a) A and B only
b) C and D only
c) A and C only
d) B and C only

Answer: b
Explanation: C and D only

3. Which of the following is correct about flower?
A. Reproductive unit in angiosperm.
B. Calyx and corolla are reproductive organs.
C. Typical flower has four kinds of whorls.
D. Whorls arranged successively on thalamus or receptacle.
a) All except C
b) All except D
c) All except B
d) All except A

Answer: c
Explanation: All except B

4.Select the incorrect matching:
a) Actinomorphic – When flower can be divided into two equal radial halves in any radial plane passing through the centre.
b) Zygomorphic – When flower can be divided into two similar halves only in one particular vertical plane.
c) Asymmetric – When flower cannot be divided into two similar halves by any vertical plane passing through centre.
d) All are correct

Answer: d
Explanation: All are correct

5. Asymmetric flower is found in
a) Pea
b) Datura
c) Bean
d) Canna

Answer: d
Explanation: Asymmetric flower is found in canna.

6. How many of the following contains zygomorphic flower?
Pea, Gulmohur, Bean, Cassia, Mustard, Datura, Chilli, Sesbania, Lupin, Muliathi
a) 6
b) 7
c) 4
d) 8

Answer: b
Explanation: 7

7. The reduced leaf found at the base of the pedicel is known as
a) Leaflet
b) Stipule
c) Bract
d) Calyx

Answer: c
Explanation: The reduced leaf found at the base of the pedicel is known as Bract.

8. Based on the position of calyx, the corolla and androecium in respect of the ovary on thalamus, the flower is of how many types
a) 1
b) 2
c) 3
d) 4

Answer: c
Explanation: 3

9. Which flower posses superior ovary?
a) Mustard
b) China rose
c) Brinjal
d) All of these

Answer: d
Explanation: All of these

10. Select the correct matching:
a) Gamosepalous ‒ Sepal is united
b) Polysepalous ‒ Sepals are free
c) Gamopetalous ‒ Petals are united
d) All of these

Answer: d
Explanation: All of these