Vascular Plants

Q.

Two examples of autotrophs?

Q.

Organisms that produce their own food are called

1. Saprotrophs

2. Heterotrophs

3. None of the Above

4. Autotrophs

Q. How are the spores of ferns dispersed?

1. wind
2. water
3. animals
4. None of the above

Q.

In which triploblastic animal coelom is absent?

Q.

Adiantum caudatum is called walking fern due to-

1. Motile antherozoids

2. Power of locomotion

3. Vegetative reproduction

4. All of the above

Q.

"All the plants in the world are autotrophs."
Is this statement true or false? Explain your answer. [2 MARKS]

Q.

Give 3 examples of leaves which close at night.

Q.

What is Antheridia?

Q.

Which pigment does thylakoid contain?

Q. "Autotrophs are the ultimate source of food". Do you agree with the statement? Why or why not? Justify with a diagram [3 MARKS]

Q.

Rafflesia arnoldii, the world’s largest individual flower, is kind of nasty. Found in the forests of Malaysia and Indonesia, its giant red-brown blossom is nearly 1 meter (3.3 feet) in diameter and weighs up to 11 kg (24 pounds). It cannot photosynthesise it depends on nutrients that it steals from the roots of neighboring Tetrastigma vines. Identify the host and the parasite in this relationship.

Q. new plants grow from both spores and seeds. Both can stay dormant until conditions are favourable and then start growing. what is the difference between a spore and a seed?

Q.

Name the type of nutrition found in the following organism:

Pitcher plant

Q.

Answer in one word:

Insectivorous plant with highly segmented leaves that form bladders.

Q.

What type of nutrition does the pitcher plant exhibit?

1. Autotrophic

2. Heterotrophic

3. Both Autotrophic and Heterotrophic

4. Chemotrophic

Q. how do replenishment of nutrients like nitrogen and phosphorus take place in the soil ?

Q.

Which of these belong to Phylum Protozoa?

1. Diatoms

2. Algae

3. Protozoans

4. All of these

Q.

Give two examples of unisexual organisms and bisexual organisms.
[2 MARKS]

Q.

What is pond scum?

Q.

How will nutrients be replenished in the soil?

Q. Identify the factors that help the plant to prepare food by themselves.​

Q. A plant that is partically autotrophic?

Q.

In fungi, spores are produced from fruiting bodies called as

1. Spore bodies

2. Sporangia

3. Sporoforms

4. Sporicles

Q. Are fertilisation and fertilization both spellings right?

Q.

Botanical snakes are called______.

Q. Which of the following plants is known as 'Sorrow of Kashmir'?

1. Equisetum
2. Salvinia
3. Dryopteris
4. Adiantum

Q. Identify the parts A, B and C in the following image.

1. A: Sporangium
   B: Spores
   C: Hypha
2. A: Spores
   B: Sporangium
   C: Hypha
3. A: Spores
   B: Hypha
   C: Sporangium
4. A: Hypha
   B: Spores
   C: Sporangium

Q. Which of the following statements is true regarding autotrophs?

1. They depend on other organisms for energy and all nourishment
2. They generate energy and produce food from dead organism
3. They capture energy from sunlight and give it to animals to make their food
4. They capture energy from the sun to produce food for themselves

Q. Identify the factors that help the plant to prepare food by themselves.​

Q. Temperature below the optimum temperature (i)________ the growth of the embryo. Whereas temperatures much higher than optimum range (ii)_______ the embryo.

1. (i) enhances (ii) inhibits
2. None of these
3. (i) destroys (ii) inhibits
4. (i) inhibits (ii) destroys