Questions
Question 1 Multiple Choice (Single Answer)
Which of the following elements is essential for root growth?
- Zn
- Ca
- Mo
- S
Question 2 Multiple Choice (Single Answer)
Which of the following is the most common respiratory substrate?
- Glucose
- Sucrose
- Maltose
- Glycogen
Question 3 Multiple Choice (Single Answer)
Which type of plant hormones promote phototropism in shoots?
- Gibberellins
- Auxins
- Cytokinins
- Ethylene
Question 4 Multiple Choice (Single Answer)
Geotropism is defined as
- movement of a part of plant in response to water
- movement of a part of plant in response to a chemical stimulus
- movement of a part of plant in response to gravity
- movement of a part of plant in response to light
Question 5 Multiple Choice (Single Answer)
Which of the following causes plasmolysis?
- Exosmosis
- Endosmosis
- Absorption
- Adsorption
Question 6 Multiple Choice (Single Answer)
Which part of plant grow(s) to develop into a fruit?
- Pollen tube
- Ovary
- Petals
- Sepals
Question 7 Multiple Choice (Single Answer)
Which of the following is not a characteristic of self pollination?
- It involves the transfer of pollen from anther of a flower to the stigma of the same flower.
- It cannot occur in closed flower.
- It cannot occur in unisexual flowers.
- None of these
Question 8 Multiple Choice (Single Answer)
Which of the following is/are mode(s) of excretion in plants?
- Through leaves
- Through resins and gums
- Into the soil through roots
- All of the above
Question 9 Multiple Choice (Single Answer)
By which of the following methods can a disease free plant be produced?
- Grafting
- Layering
- Cutting
- Tissue culture
Question 10 Multiple Choice (Single Answer)
In which part of the chloroplast is chlorophyll present?
- Membranes
- Stroma
- Thylakoids
- None of these