A. Purity: A sample of seed is weighed before cleaning and after cleaning. The result is expressed in percentage
B. Germination trests: A sample of seed is sown in sand or soil in trays in the laboratory
C. The sample comprises of 50 or 100 seeds
D. All of the above
Related Mcqs:
- Seed collection, extraction and viability testing are:
A. Floating
B. Germination
C. Tetrazonium chloride
D. All of the above - Sometimes sound and uninjured seeds may fail to germinate due to reduced activity of the seed or seed parts resulting in blockade of the growth. This may be due to:
A. External effects of environment
B. Internal conditions within the plant itself, i.e. Embryo dormancy or seed coat dormancy
C. Both (a) & (b)
D. None of these - Seed Collection means:
A. Quantity required: Sufficient quantity should be collected so that failed areas are timely restocked.
B. Ripeness: Only ripe seed should be collected.
C. Trees suitable for seed collection
D. All of the above - Seed collection agencies means:
A. Forest guard
B. Labourers
C. Research institute (trained persons and proper selection of trees)
D. All of the above - Seed certificate means:
A. Seed is transported from one place to another a certificate should be sent alongwith
B. In this certificate the species date of collection, locality from where collected, characteristics of mother trees. Method of collection and storage
C. Both (a) & (b)
D. None of these - Seed orchard means:
A. It is plantation or group of good quality trees, which are purposely raised for the production of good quality seed
B. The spacing is kept very wide in order to enable to tree to freely spread its crown so that flowering and fruiting is healthy and early.
C. Both (a) & (b)
D. None of these - What is meant by seed orchard?
A. For a long time it was held that the quality of future plants depends primarily upon the quality of the seed
B. Starting from this statement more and more attention was paid to the production of seeds of good quality
C. Both (a) & (b)
D. None of these - Trees suitable for seed collection is/are:
A. Plus trees: Trees of good genetic and phenotic constitution
B. Seed stands: Small patches of trees in the forest which are better in characters
C. It is best to collect seed from trees in such groups
D. All of the above - Acacia nilotica period of ripening of seed is:
A. May – July
B. June – July
C. February – April
D. None of these - Pinus wallichiana (Blue pine) period of ripening of seed is:
A. June – July
B. September – November
C. February – April
D. None of these
The correct answer to the question: "Seed testing means:" is "All of the above".