Which among the following is not a wall layer of microsporangium?
(1) Endothecium
(2) Nucellus
(3) Tapetum
(4) Middle layers
Match the Column-I with Column-II:
Column-I Column-II
A. Funicle I. Mass of cells within ovule with more food
B. Hilum II. Basal part of ovule
C. Integument III. One or 2 protective layers of ovule
D. Chalaza IV. Region where body of ovule fuses with funicle
E. Nucellus V. Stalk of ovule
(1) A - I, B - II, C - III, D - IV, E - V
(2) A - V, B - IV, C - III, D - II, E - I
(3) A - IV, B - II, C - I, D - III, E - V
(4) A - I, B - III, C - V, D - II, E - IV
A, B, C, D in the following diagram respectively are:-
(1) Hilum, funicle, inner integument, micropyle
(2) Hilum, funicle, outer integument, micropyle
(3) Funicle, outer integument, nucellus, chalazal pole
(4) Funicle, outer integument, nucellus, micropylar end
The stalk by which an ovule is attached to the placenta is called
1. Funicle
2. Hilum
3. Chalaza
4. Micropyle
Identify A, B, C and D structures shown in above diagram of female gametophyte:
A | B | C | D | |
1. | Synergid | Polar nuclei | Central cell | Antipodal cells |
2. | Antipodal cells | Polar nuclei | Central cell | Synergids |
3. | Antipodal cells | Polar nuclei | Megaspore mother cell | Synergids |
4. | Filiform apparatus | Polar nuclei | Central cell | Antipodal cell |
Recognise the diagram and choose the correct option:-
1. Hibiscus, multicarpellary syncarpous pistil
2. Multicarpellary syncarpous pistil of papaver
3. Multicarpellary apocarpous gynoecium of Michelia
4. Monocarpellary gynoecium
Which one of the following statement is false in respect of flowering plants?
1. Parthenocarpy can be induced through the application of growth hormones
2. Integuments encircle the ovule except at the tip where a small opening called the germ pore is organized
3. Endosperm development precedes embryo development
4. Apomicts have several advantages in horticulture and agriculture
The pistil of Papaver is:
1. Monocarpellary
2. Multicarpellary apocarpous
3. Multicarpellary syncarpous
4. Absent
Find incorrect statement:
1. | A polycarpellary, apocarpous gynoecium is found in Michelia |
2. | Many ovules are present in an ovary of papaya and orchids |
3. | Yellowish, powdery pollen grains found in Hibiscus |
4. | The more pistils may be fused together to form monocarpellary syncarpous gynoecium |
Hilum represents the junction between
1. Funicle and nucellus
2. Ovule and funicle
3. Chalaza and funicle
4. Funicle and micropyle