Developmental journey of seed - class-XI
Developmental journey of seed
Questions
Germination of the seed is promoted by.
- Green light
- Red light
- Blue light
- Infra red light
Renu soaked some moong seeds overnight in water. Next day, after draining out the water, she wrapped the seeds in a wet cloth. After a day, she observed small white structures growing out of the seeds. These small white structures will develop into
- Stems
- Roots
- Leaves
- Flowers
Which of the following is a step which is involved in seed germination?
- Absorption of Water
- Absorption of Carbon Dioxide
- Absorption of Light
- All the above
In germinating oil seeds beta-oxidation of free fatty acids takes place in the _____________.
- Oleosomes
- Glyoxysomes
- Mitochondria
- Lysosomes
State whether the following statements are true or false.
Oxygen is not necessary for seed germination;
- True
- False
Choose the correct answer from the alternatives given.
Seed germination is over when the:
- embryo sporophyte absorbs water
- embryo sporophyte resumes growth
- primary root pokes out of the seed coat
- cotyledons unfurl
A minimum number of meiotic divisions required to produce $50$ seeds of an angiosperm is?
- $13$
- $26$
- $50$
- $63$
Which of the following is the correct sequence of events happening during germination of a seed
1. The hypocotyl of the germinating seed elongates and pushes the cotyledon above ground
2. Seed absorbs water by wicking moisture through the seed coat into the seed
3.The exterior of the seed cracks open
4. The radicle emerges from the seed and forms into the root
- 1-3-4-2
- 1-2-4-3
- 2-3-4-1
- 2-3-1-4
Which one of the following events takes place after in angiosperms are _______________.
- The pollen grain germinates on the stigma
- The pollen tubes enter the embryo sac
- Two male gametes are discharged into the embryo sac
- The PEN(Primary Endosperm Nucleus) develops into endosperm