Agriculture - Online Test
Q1. The morphological changes are indicative of certain element deficiencies and are called
Answer : Option B
Explaination / Solution:
Deficiency symptoms are morphological changes in plants, indicating nutrient deficiency. Deficiency symptoms vary from one element to another.
Q2. The process of fusion between one large and non-motile female gamete with smaller, motile male gamete is termed as
Answer : Option D
Explaination / Solution:
Fusion between one large, non-motile female gamete and a smaller, motile male gamete is termed as oogamous e.g., Volvox, Fucus.
Q3.
PGA as the first fixation product was discovered in photosynthesis of
Answer : Option B
Explaination / Solution:
The pathway of photosynthesis was discovered by Melvin Calvin after experiment on single celled algae. The first stable product of C3 cycle is a three carbon compound called PGA (phosphoglyceric acid).
Q4. When there is no distinction of sepals and petals, the non-essential floral organs are collectively called
Answer : Option C
Explaination / Solution:
In some flowers, there is no distinction of sepals and petals. In these flowers these non-essential organs are together called as perianth. The individual parts of perianth are called tepals.
Q5. The best method to determine the homozygous and heterozygous of an individual is
Answer : Option A
Explaination / Solution:
Homozygous and heterozygous of an individual is determined by test cross method in which homozygous recessive is crossed with F1 hybrid individual.
Q6. How many net ATP are produced in Glycolysis?
Answer : Option B
Explaination / Solution:
At the end of glycolysis pathway, 2 net ATP molecules at step 6 and step 9 are produced.
Q7. Parrots have life span of about
Answer : Option C
Explaination / Solution:
The life span of parrot is about 140 years. It is much more than other common animals living in our surrounding. Even more than human being life span.
Q8. A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in
Answer : Option C
Explaination / Solution:
A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in aquatic plants such as Pistia and Eicchornia.
Q9. Which is not the function of parenchymatous cells?
Answer : Option A
Explaination / Solution:
The parenchyma performs various functions like photosynthesis, storage, secretion.
Q10. The phenomenon of heterophyll is an example of
Answer : Option C
Explaination / Solution:
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called plasticity. This phenomenon of heterophylly is an example of plasticity.
