Germination of seeds - class-V
Description: germination of seeds | |
Number of Questions: 41 | |
Created by: Akash Patel | |
Tags: evs life within the seed structure and functions of living organisms -i biology seeds - structure and germination seed reproduction - the generating system the habitat of living seeds and seeds the flower the life cycle of plants developmental journey of seed journey of seed seed becomes plant |
Germination of the seed is promoted by.
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
Which of the following is a step which is involved in seed germination?
Sprouting of potatoes while in storage can be prevented by _________________.
In germinating oil seeds beta-oxidation of free fatty acids takes place in the _____________.
State whether the following statements are true or false.
Oxygen is not necessary for seed germination;
Choose the correct answer from the alternatives given.
Seed germination is over when the:
The chemical used for treating the dormancy of seed is?
In wheat and rice _________________.
Sprouting time of seeds may vary according to
Glycolate is converted into glyoxylate in the ___________.
Consider the following statements.
a. The seeds of Zea mays would germinate immediately after falling from the plant if favourable conditions of moisture, temperature and aeration are available.
b. Seed-coat dormancy is exhibited by Cassia and Gossypium
Which of the statements given is/are correct?
How many meiotic divisions are required to produce 200 seeds?
State whether the following statements are true or false.
Seedlings grown for a few days in the dark often have lesser fresh weight and greater dry weight than those kept in light for a comparable period.
The seeds respirate at the time of germination.White showing this experiment a test tube with KOH is kept in the conical flask to _____________.
Which of the following members of spermatophyte is able to produce seed but not cones?
During seed germination its stored food is mobilized by?
During which of the following stages of seed development, the production and storage of energy in mitochondria increases?
Formation of seeds without fertilisation can take place by all except.
In Euphorbia, there are $10$ cyathia inflorescence and each inflorescence contains $20$ flowers. One female flower produces $6$ seeds. Calculate the total number of seeds produced by $10$ cyathia.
When dry seeds are placed in wet soil
Assertion : The two cotyledons in seed are embryonic leaves.
Reason : The embryo contains radicle and plumule.
Assertion : Many plants are propagated vegetatively even through they bear seeds.
Reason : Potatoes multiply by tubers, apple by cutting.
In a seed of maize, scutellum is considered as cotyledon because it ________________.
At the time of seed germination, digestive enzymes are induced to be formed under the influence of
During germination, micropyle of seed takes part in
During seed germination, seed coat ruptures due to
Choose the correct statements
- On hydration the seed germinates showing increased enzyme activity
- Respiration rate of germinating seeds increases alongwith increased enzymatic activity
- Increase in respiratory rate continues till senescence
- Rate of enzymatic activity increases
Part of the seed which forms the shoot at the time of germination is
In ______________ seed germination epicotysis elongates and cotyledons lie below soil surface.
Xenia was discovered by.
A germinating mustard seed converts its lipids into sugars by _______________.
Which of the following processes involved are true of the germinating seed?
a. Imbibitions of water
b. Evolution of oxygen
c. Synthesis of enzymes
d. Emergence of radical
Select the correct answer using the codes given.
In the mature seed the persistent outer layer of nucleolus is called.
The alkaloid emetine is extracted from the.
Which of the following statements about the hypocotyl hook is not true?
After soaking the seeds overnight, these changes are seen in it
Freshly liberated seeds of Erianthus hiemalis do not germinate due to
In a germinating seed, the roots develop from
Choose the correct answers from the alternatives given.
The following are requirement of seeds for germination to occur:
Choose the correct answer from the alternatives given.
A nail was driven into the trunk of a tree at a point 1.5 meters above the soil level. After three years, the nail will