Angiosperms

Q. Which among the following is a unique feature of Angiosperms?

1. Plants bear fruits on them.
2. Plants are huge in size.
3. Plants produce their own food.
4. Plants reproduce sexually.

Q.

Corn plant is a monocot and bean plant is a dicot.

1. True

2. False

Q.

Which of the following is /are a dicot

1. Banana

2. Grass

3. Tomato

4. Ginger

Q. Choose the correct statements regarding Angiosperms from the following.

1. They are also called flowering plants.
2. They are classified into monocots and dicots.
3. Flowers bear reproductive organs.
4. Seeds do not have natural coverings.

Q.

Which of these features makes Angiosperms unique?

1. These plants bear fruits on them.

2. Plants reproduce sexually.

3. Plants are huge in size.

4. They can produce their own food.

Q. Which among the following is correct for monocotyledonous plants?

1. They have parallel venation.
2. Their number of petals are in multiples of four or five.
3. Seeds of these plants have a single cotyledon.
4. They have fibrous root system.

Q. Label the parts of xylem.

1. Xylem fibres
2. Xylem parenchyma
3. Tracheids
4. Xylem vessels

Q.

Leaves are modified to form a special structure to give support to the plant. Name that modification.

Q. Which of the following is not a structural element of xylem?

1. Xylem fibre
2. Vessels
3. Sieve tube
4. Trachied

Q. Plants with seeds having two cotyledons are called monocots.

1. False
2. True

Q. Which of the following is used as 'Christmas tree'?

1. Araucaraia sp.
2. Pinus sp.
3. Abies sp.
4. All of the above

Q. Match the characters in column I to the plants in column II.
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{(A)Seeds are formed in fruits}& \text{(i)Fern}\\ \text{(B)No natural covering on seeds}& \text{(ii)Cycas}\\ \text{(C)These plants mainly grow in water}& \text{(iii)Tamarind}\\ \text{(D)These plants need water for reproduction}& \text{(iv)Moss}\\ \text{(E) First vascular plants}& \text{(v)Algae}\end{array}$

1. A(v), B(i), C(iv), D(iii), E(ii)
2. A(iv), B(iii), C(i), D(v), E(ii)
3. A(iii), B(ii), C(v), D(iv), E(i)
4. A(ii), B(iv), C(v), D(i), E(iii)

Q.

Bamboo is a grass.

1. True

2. False

Q. In which of the following plants you find true vascular tissues?

Q. Pair up the algae with their morphology.

1. Chlamydomonas
2. Filamentous
3. Spirogyra
4. Volvox
5. Colonial
6. Unicellular

Q. Early embryogeny in Cycas is characterized by

1. Absence of suspensor cell
2. Presence of expanded free nuclear division
3. Reduced free nuclear division
4. Many cotyledons

Q. Assertion :The embryo of bryophyte is independent. Reason: The zygote of thallophyte is dependent.

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If the assertion is true but the reason is false
4. If both the assertion and reason are false

Q. Banana leaf has _____ venation.

1. linear
2. reticulate
3. parallel
4. perpendicular