Development of zygote into individuals of the new generation
1. Depends on the type of life cycle the organism has and the environment to which has and the environment it is exposed to
2. Is independent of the environment to which the organism is exposed
3. Always occurs through embryo formation
4. Never needs a period of rest before its germination
Identify the labels A, B and C in the given diagram
1. Tuber, Germinating eye bud, Eyes
2. Bulb, Node, Eyes
3. Rhizome, Node, Flower
4. Tuber, Internode, Adventitious buds
Select the incorrect match with respect to vegetative propagules
1. Eyes - potato
2. Rhizome - Ginger
3. Offset - Water hyacinth
4. Bulbil - Bryophyllum
Common vegetative propagule, capable, of giving rise to new individuals in Agave is
1. Leaf bud
2. Bulbil
3. Rhizome
4. Offset
Read the following statements carefully
a. Neelakuranji flowers once in 12 yeats
b. In the majority of organisms, male and female gametes are motile
c. During embryogenesis, the zygote undergoes mitosis and cell differentiation
1. All are correct
2. Only (b) is incorrect
3. All are incorrect
4. (a) and (b) are correct
Sexual reproduction is
1. Fast and simple process
2. Slow and simple process
3. Fast and complex process
4. Slow and complex process
Rhizomes are commonly used in vegetative propagation of
1. Water hyacinth
2. Bryophyllum
3. Ginger
4. Agave
Eichhornia crassipes
1. Multiplies rapidly wherever there is running water
2. Propagates vegetatively with the help of suckers
3. Was introduced in Indian waters because of its beautiful root, stem, and leaves
4. Multiplies rapidly in stagnant water
Clones cannot be obtained from
1. Rhizome
2. Tuber
3. Sucker
4. Zygote
Mark the correct statement ( with respect to reproduction)
1. A biological process to produce new offsprings
2. Enables the continuity of the species, generation after generation
3. Incorporates genetic variations and makes the basis of evolution
4. More than one option is correct