Identify the correctly matched pair:
1. |
Asexual reproductive structure in Chlamydomonas |
Zygospores |
2. |
Vegetative propagule in Agave |
Offset |
3. |
Chromosome number in meiocyte of Ophioglossum |
630 |
4. |
Marchantia |
Dioecious plant |
Mark the mis-matched pair
1. Polycarpic plants - Recovery phase
2. Offset - Water hyacinth
3. Marchantia - Monoecious plant
4. Bulbil - Agave
Which one of the following statements is not correct?
1. | Offspring produced by asexual reproduction is called clone |
2. | Microscopic motile asexual reproductive structures are called zoospores |
3. | In potatoes, bananas, and ginger, the plantlets arise from the internodes present in the modified stem |
4. | Water hyacinth growing in standing water drains oxygen from water that leads to the death of fish |
Which one of the following generates new genetic combinations leading to variation?
1. Vegetative reproduction
2. Parthenogenesis
3. Sexual reproduction
4. Nucellar polyembryony
Match Column I with column II and select the correct option using the codes given below:
Column I | Column II | ||
A. | Pistils fused together | 1. | Gametogenesis |
B. | Formation of gametes | 2. | Pistillate |
C. | Hyphae of higher ascomycetes | 3. | Syncarpous |
D. | Unisexual female flower | 4. | Dikaryotic |
1. A-4 B-3 C-2 D-1
2. A-2 B-1 C-4 D-3
3. A-1 B-2 C-4 D-3
4. A-3 B-1 C-4 D-2
Clear-cut vegetative, reproductive and senescent phase are not found in
(1) Annual plants
(2) Biennial plants
(3) Perennial plants
(4) More than one option is correct
Flowers are unisexual in?
1. Pea
2. Cucumber
3. China rose
4. Onion
Which of the following pairs is not correctly matched?
Mode of reproduction | Example | ||
(a) | Offset | (i) | Water hyacinth |
(b) | Rhizome | (ii) | Banana |
(c) | Binary fission | (iii) | Sargassum |
(d) | Conidia | (iv) | Penicilium |
1. a
2. b
3. c
4. d
Hermaphrodite animal is
A.Leech
B.Spider
C.Honey bee
D.Ascaris