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Plants

Description: Plants (M)
Number of Questions: 15
Created by:
Tags: Plants (M) Physical and Life Science
Attempted 0/15 Correct 0 Score 0

Crops produced during ‘_____’ season(s) are watermelon, muskmelon, cucumber, vegetables and fodder crops.

  1. Kharif

  2. Zaid

  3. Rabi

  4. Rabi and Kharif


Correct Option: B

Which of the following plants belongs to the zingiberaceae family?

  1. Neem

  2. Margosa

  3. Amla

  4. Turmeric

  5. Citrus


Correct Option: D
Explanation:

Turmeric (Curcuma longa) is a perennial herb belonging to the zingiberaceae family.

Which of the following plants has anti-diabetic, anti-bacterial and anti-viral properties?

  1. Curcuma longa

  2. Cinchona

  3. Azadirachta indica

  4. Emblica officinalis

  5. Rose indica


Correct Option: C
Explanation:

Azadirachtin obtained from neem tree (Azadirachta) helps in treating fever and skin diseases. It also possesses anti-diabetic, anti-bacterial and anti-viral properties.

In which plant was nucleus first discovered?

  1. Mangrove

  2. Orchid

  3. Bamboo

  4. Onion


Correct Option: B

The largest flower in the world is

  1. Rafflesia

  2. Nelumbo lutea

  3. Hibiscus rosa-sinensis

  4. Giant cactus


Correct Option: A

Jute is obtained from the _______ of a plant.

  1. flower

  2. stem

  3. leaf

  4. root


Correct Option: B
Explanation:

Jute is a vegetable fibre, which is obtained from the stem of a plant.

Which of the following diseases is related to banana?

  1. Rust

  2. Tikka

  3. Wilt

  4. None of these


Correct Option: C

___________ is the largest plant cell.

  1. Funaria

  2. Acetabularia

  3. Nostoc

  4. Colocasia


Correct Option: B

The plants that do not bear flowers but have distinct sex organs are categorised under

  1. bryophytes

  2. angiosperms

  3. gymnosperms

  4. pteridophyte

  5. monocots


Correct Option: C
Explanation:

Non-flowering plants are called gymnosperms.

Identify the disease caused by bacteria in plants.

  1. Rust in wheat

  2. Yellow vein mosaic of bhendi

  3. Chlorosis

  4. Citrus canker

  5. Powdery mildew


Correct Option: D
Explanation:

Citrus canker is caused by bacteria. Powdery mildew is caused by  fungi.

Which of the following crops benefitted the most fom the 'Green Revolution'?

  1. Maize

  2. Wheat

  3. Barley

  4. Cotton


Correct Option: B

Deficiency of which of the following elements is responsible for premature falling of leaves?

  1. Zinc

  2. Phosphorus

  3. Manganese

  4. Boron


Correct Option: B

Heterophylly is seen in

  1. sagittaria and azadirecta

  2. coriander and sagittaria

  3. coriander and duranta

  4. sagittaria and duranta


Correct Option: B
Explanation:

Coriander and sagittaria show the phenomenon of heterophylly. This refers to different leaf forms on the same plant.

Which of the following is the function of phloem?

  1. It transports food.

  2. It helps in opening and closing of stomata.

  3. It transports water.

  4. It is responsible for the protection of plant.

  5. It prevents the wilting of plants.


Correct Option: A
Explanation:

Transporting food is the function of phloem.

Which of the following is termed as ‘hydroponics’?

  1. Growth of aquatic plants

  2. Growth of floating aquatic plants

  3. Soilless cultivation of plants

  4. Growth of plants inside water


Correct Option: C
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