Agriculture - Online Test
Q1. The part that develops from the plumule of the embryo of a germinating seed is
Answer : Option B
Explaination / Solution:
The stem develops from the plumule of the embryo of a germinating seed.
Q2. Sclerids belongs to
Answer : Option D
Explaination / Solution:
Scleroids belongs to sclerenchyma complex permanent tissue presentin hard parts of plants. They are generally hard and founds in rough fruits and stem.
Q3. The undifferentiated mass of parenchymatous cells are called
Answer : Option A
Explaination / Solution:
Plant callus is a growing mass of unorganized plant parenchyma cells. In living plants, callus cells are those cells that cover a plant wound.
Q4. The movement of diffusion is
Answer : Option D
Explaination / Solution:
Movement by diffusionis passive, and may be from one part of the cell tothe other, or from cell to cell, or over short distances, say, from the intercellular spaces of the leaf to the outside.
Q5. Micronutrients are otherwise called as
Answer : Option D
Explaination / Solution:
Micronutrients or trace elements, are needed in very small amounts(less than 10 mole Kg –1 of dry matter). These include iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.
Q6. Laminaria and Fucus belong to
Answer : Option B
Explaination / Solution:
The common forms of Brown algae or Phaeophyceae are Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus.2
Q7. Photosynthesis take place in
Answer : Option C
Explaination / Solution:
Photosynthesis takes place only in the green parts of the plants, mainly the leaves.
Q8. Which of the following plant contain unisexual flower
Answer : Option A
Explaination / Solution:
The flower which contains either male or female reproductive part is called unisexual flower. Papaya plant produce either male or female flower in separate plants.
Q9. Who is regarded as the father of genetics?
Answer : Option A
Explaination / Solution:
Mendel is regarded as the father of genetics due to his initial law of inheritance given by him on the basis of Hybridisation conducted by him on garden pea.
Q10. Pasture effect can be studied in case of
Answer : Option C
Explaination / Solution:
Reduction in consumption of respiratory substrate when the mode of respiration is changed from aerobic to anaerobic is called pasture effect. It is studied in case of Sccharmomyces.
