Amarbel is an example of

1

(a)

autotroph

(b)

parasite

(c)

saprotroph

(d)

host

The plant which traps and feeds on insects is

1

(a)

Cuscuta

(b)

China rose

(c)

pitcher plant

(d)

rose

Which part of the plant takes in carbon dioxide from the air for photosynthesis?

1

(a)

Root hair

(b)

Stomata

(c)

Leaf veins

(d)

Sepals

In the absence of which of the following will photosynthesis not occur in leaves?

1

(a)

Guard cells

(b)

Chlorophyll

(c)

Vacuole

(d)

Spacebetween cells

The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is :

1

(a)

autotrophic

(b)

insectivorous

(c)

saprophytic

(d)

parasitic

All green plants possess ______________ in their leaves.

1

(a)

chlorophyll

Cuscuta is a ___________ plant.

1

(a)

parasitic

The plants that provide nutrition to the parasitic plant are called _____________

1

(a)

host

Leaves have a green pigment called ..............

1

(a)

chlorophyll

Chlorophyll which captures ............ from sunlight.

1

(a)

Energy

Chlorophyll is present in an animal cell.

1

(a) True

(b) False

Fungi are green plants that can synthesise their own food.

1

(a) True

(b) False

Pitcher plant eats insects.

1

(a) False

(b) True

Lichen is a saprophytic plant.

1

(a) True

(b) False

Rhizobium can fix atmospheric nitrogen into nitrogen compound.

1

(a) False

(b) True

Plants like cuscuta takes food from .............. plant.

1

(a)

Host

............ is produced and ..............is utilised during photosynthesis.

1

(a)

Oxygen, carbon dioxide

All green plants are called ...............

1

(a)

Autotrophs

A carbohydrate is produced by plants as food source. It is constituted from which molecules?

1

(a)

Why do some plants feed on insects?

1

(a)

How to Rhizobium bacteria take nitrogen from atmosphere?

5

(a)

Why is it true to say that insectivorous plants are partial heterotrophs? Explain

5

(a)

Give a brief description of the process of synthesis of food in green plants.

5

(a)

Show with the help of a sketch that the plants are the ultimate source of food.

5

(a)

1. 2. (a) Draw a diagram of a pitcher plant to show the following parts:
   (i) Pitcher
   (ii) Lid
   (b) What is the mode of nutrition of this plant?
   (c) Is it an autotroph or partial heterotroph?

   5

   (a)

2. Asha went to visit her grandfather in his village. He was having a serious discussion with his fellow members regarding the productivity level of crops for present year. They all were worried about how to increase the productivity of crop Asha listened to this and then suggested to the group that the reason may be decreased level of minerals in soil.
   She told her grandfather to plant crops like pulses, gram, beans, etc., for a year then follow with regular crops. This will increase the crop productivity?
   (a) What will you name the process suggested by Asha? Why is there decrease in crop productivity?
   (b) What are noted benefits of this process? Will the results be as what Asha expressed?
   (c) What values are shown by Asha?

   5

   (a)