Annuals, Biennials and Perennials

Q.

Which fruit plant grows the fastest?

Q. Plants that shed all their leaves in winter are called plants.

1. deciduous
2. evergreen
3. seasonal

Q.

How are sprouts different from normal seed?

Q.

All of the given are seral communities with respect to xerarch succession except:

1. Moss

2. Tree

3. Lichen

4. Herb

Q. is a perennial plant.

1. Bamboo
2. Radish
3. Sunflower

Q.

Are all annuals monocarpic?

Q. The plants which require more than two seasons to complete their life cycle are called as___ .

Q. The plants which complete their life cycle within several weeks are called as___.

Q. How long does it take for marigold/rice/wheat/coconut/mango plants to come to flower? In some plants, where flowering occurs more than once, what you call the winter-flowering period juvenile or mature?

Q.

Uses of herbs, shrubs and trees

Q. Which group of plants show clear cut vegetative, reproductive and senescent phases in their life cycle?

1. Mustard , Radish, Mango
2. Peepal , mango , banyan
3. Wheat , Rice , cabbage
4. Peepal , bryophyllum, Rice

Q. plants complete their lifecycle in one year.

Q.

Name any perennial plant.

Q. Select the correct combination of perennial plants from the following.

1. Jowar and beetroot
2. Hibiscus and mango
3. Carrot and gulmohur
4. Oleander and rose

Q. Identify A, B and C.

$\begin{array}{cc}\text{Column 1}& \text{Column 2}\\ \text{A}& \text{Perennial}\\ \text{Jowar}& \text{B}\\ \text{C}& \text{Annual}\end{array}$

1. A - Sunflower, B - Biennial, C - Mango
2. A - Hibiscus, B - Annual, C - Sunflower
3. A - Gulmohur, B - Annual, C - Sunflower
4. A - Gulmohur, B - Biennial, C - Sunflower

Q.

What is the estimated number of species of living organisms in our planet ?

Q. In conifers, reproduction occurs through which are present on the side of the leaves.

1. sorus
2. cones
3. upper
4. lower

Q. What are essential differences between annuals, biennials and perennials?

Q. Clear cut vegetative, reproductive and senescent phases cannot be observed in

1. Annual plants
2. Perennial plants
3. Biennial plants
4. Ephemeral plants

Q. Which of the following flowers only once in its lifetime ?

1. Mango
2. Bamboo species
3. Papaya
4. Jackfruit

Q.

Which of the following is the largest mammal?

1. Bat

2. Blue whale

3. Snake

4. Ostrich

Q.
The plants that live for more than two years are called :

1. Annuals
2. Perennials
3. Biennials
4. Triennials

Q. Monocarpic perennial plant is

1. Mango
2. Bambusa
3. Brassica
4. Maize

Q. Assertion :In perennial plant species, it is difficult to define vegetative, reproductive and senescent phases. Reason: Perennial plants have very short life span.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Which of the following is monocarpic plant :-

1. Shisham
2. Mango
3. Pinus
4. Bamboo

Q. Annual plants complete their life cycle in one year.

1. True
2. False

Q.

Which type of ant(s) is/are the most authoritative of all?

1. Queen Ant

2. Soldier Ants

3. Worker Ants

4. Drones

Q. Mention the unique flowering phenomenon exhibited by Strobilanthes kunthiana (neelakuranji).

Q. Which of the following plants is biennial?

1. Jack fruit
2. Pineapple
3. Carrot
4. Banana

Q. Monocarpic plants are ephemeral i.e., long lived.

1. False
2. True