Photosynthesis Process

Q.

Write the word equation for photosynthesis.

Q.

What are autotrophs?

Q.

Which part of the plant prepares food? Name and explain the process. [3 MARKS]

Q.

Can photosynthesis occur in artificial light?

Q.

What are the small pores in a leaf called?

Q.

What is complex IV in the ETS of mitochondria?

Q.

A test cross is carried out to

1. predict whether two traits are linked

2. determine the genotype of a plant at F₂

3. determine whether two species or varieties will breed successfully

4. assess the number of alleles of a gene

Q.

What is the difference between cytosol and cytoplasm?

Q.

What chemical substances are needed for photosynthesis to take place??

Q. Plants make their own food by the process of .

1. respiration
2. chemosynthesis
3. photosynthesis
4. production

Q. Name the following: [3 MARKS]
1. Organisms that live together and get mutually benefited.
2. Example of a plant having both autotrophic and heterotrophic mode of nutrition.
3. The pores through which leaves exchange gases.

Q.

Which surface of the leaf has more stomata?

Q.

Carbohydrates are made up of ____ .

1. carbon and hydrogen

2. carbon and oxygen

3. carbon, hydrogen and oxygen

4. hydrogen and oxygen

Q.

How does temperature , water and carbon dioxide affect the rate of photosynthesis?

Q.

Give one function of volutin granules.

Q. Microfilaments are made up of

1. tubulin
2. actin
3. keratin
4. dynein

Q. Which of the following can perform photosynthesis?

1. Mushroom
2. Algae
3. Cuscuta
4. Paramecium

Q.

What is the shape of chloroplast in Ulothrix?

Q.

The function of the centrosome is

1. Protein synthesis
2. Secretion
3. Formation of spindle fibres
   
   
4. Osmoregulation

Q. List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process

Q.

Among the following. the example of a conditioned reflex is :

1. Pulling of hand when pricked with needle

2. Closing of eyes when some object falls into any one of them

3. Movement of food in the alimentary canal

4. Picking up of a stone scares away a dog

Q.

Which of the following is not a natural reflex action?

1. Knee-jerk

2. Blinking of eyes due to strong light

3. Salivation at the sight of food

4. Sneezing when an irritant enters the nose

Q.

Each stoma has two bean-shaped cells called ___ cells.

Q.

Elements involved in photolysis of water and evolution of oxygen in chloroplasts are

1. Mg, Mn & Mo

2. Mn, Cl & Ca

3. Mo, Ca & Mn

4. Mg, Ca & Cl

Q.

If only green areas of the leaf perform photosynthesis, what is the point of having white colored areas in a leaf?

1. Plants store starch in the white areas of the leaf.

2. Plants have no use for the white areas on the leaves.

3. Plants use the white areas for decoration.

4. Plants use the white areas to store sunlight.

Q.

What is chlorophyll write it's function?

Q.

Give scientific reasons for the following statement:

Watering of the mouth on seeing food is called reflex action.

Q.

What are photosynthetically active radiations?

Q. Choose the correct statement regarding respiration in plants.
Statement 1: Stomata are responsible for gaseous exchange in leaves.
Statement 2: Stomata are responsible for gaseous exchange in roots.

1. Statement 1 is correct
2. Statement 2 is correct
3. Both the statements are correct
4. Both the statements are incorrect

Q.

Question 19
Fill in the blanks of the paragraph given below with the words provided in the box.

A word can be used more than once.

Leaves have a green pigment called (a) ___ which captures (b) ___ from sunlight. This (c) ___ is used in the process of (d) ___ and along with other raw materials like (e) ___ and (f) ___ to synthesize (g) ___ .