LIVING SCIENCE

New plants can grow from the leaves of the ................. .

• Onion

• Potato

• Bryophyllum

• Ginger

Tags

NGSS.MS-LS3-2

Identify the agent of dispersal of the following seed.

• wind

• water

• explosion

• animal

............. are chemicals that are sprayed on standing crops.

• Insecticides

• Manures

• Fertilizers

• Water

Complete the series.

rice : clayey soil :: ................... : black soil

• rice

• wheat

• maize

• cotton

The disease caused due to deficiency of Vitamin D.

• Rickets

• Scurvy

• Anaemia

• Goitre

In anaemia the ............... in the blood becomes low.

• haemoglobin

• iron

• fat

• amino acids

Plants which grow from underground stems.

• banana

• carrot

• hibiscus

• potato

A seed with two seed leaves is called a ........................ .

• soaked seed

• dicot seed

• monocot seed

• damaged seed

Insecticides and pesticides protects crops from being destroyed by ............... .

• drought

• excessive rain

• pests

• birds

Identify this vegetative propagation.

• Tissue culture

• Grafting

• Stem cuttings

• Layering