Which one is not produced by aquaculture?
oyster
silkworm
singhara
frog
B.
silkworm
Sericulture is the cultivation of silkworms to produce silk.
Aquaculture is the farming of fish, crustaceans, molluscs, aquatic plants, algae and other organisms. Therefore, rearing of oyster, singhara and frog is mainly done by aquaculture.
Assertion: Inbreeding increases homozygosity, thus exposes harmful recessive genes, which are eliminated by selection.
Reason: Continued inbreeding reduces fertility and productivity.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false
Which is social foresting species
Leucaena leucocephala
Tectona grandis
Mangifera indica
Rosa indica
Assertion: Neurospora is commonly called water mould.
Reason: It belongs to basidiomycetes fungi.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion: Somatic hybridisation is a process where protoplasts of two desired plants can be fused to develop improved plants.
Reason: Cross breeding can also induce variability
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Golden rice is a transgenic crop of the future with the following improved trait
high lysine (essential amino acid) content
insect resistance
high protein content
high vitamin A content
Match Column - I with Column -II and select the correct option from given codes.
Column-I Column- II
A. Brassica (i) Himgiri
B. Okra (ii) Pusa Komal
C. Wheat (iii) Pusa Gaurav
D. Cowpea (iv) Pusa Sawani
A- (iii), B- (iv), C-(1), D- (ii)
A-(i), B- (iii), C - (ii), D- (iv)
A- (iv), B- (iii), C- (i), D- (ii)
A- (ii), B - (iv), C- (i), D - (iii)
Match column I with column II and select the correct option from codes given below.
| Column I | Column II |
| Brassica | Himgiri |
| Okra | Pusa Komal |
| Wheat | Pusa Gaurav |
| Cowpea | Pusa Sawani |
A - (iii), B - (iv), C- (i), D- (ii)
A - (i), B - (iii), C - (ii), D - (iv)
A - (iv), B - (iii), C - (i), D - (ii)
A - (ii), B - (iv), C - (i), D - (iii)
Why is vivipary an undesirable character for annual crop plants ?
It reduces the vigour of plant
The seeds cannot be stored under normal conditions for the next season
The seeds exhibit long dormancy
It adversely affects the fertility of the plant
