Fomous saree in Maharashtra​

Answer:

2.5× [tex]10^{-6} T[/tex]

Answer:

During meiosis, crossing-over occurs at the pachytene stage, when homologous chromosomes are completely paired. At diplotene, when homologs separate, the sites of crossing-over become visible as chiasmata, which hold the two homologs of a bivalent together until segregation at anaphase I.

Answer:

caste prejudice: sidda never stands a chance.

Leela and sidda: a special friendship

sidda: weak and vulnerable

adults versus sidda prejudice

adults versus leela condescension

leela versus adults: stubborn and principled

Answer:

choose the correct plural form of criterion

a) criterioins. b) criteriae c) criteria

answer: a) criterioins

Answer:

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The Living Organisms and Their Surroundings Class 6 Extra Questions Science Chapter 9

September 12, 2019 by Bhagya

The Living Organisms and Their Surroundings Class 6 Extra Questions Science Chapter 9

NCERT Extra Questions for Class 6 Science Chapter 9 The Living Organisms and Their Surroundings

Organisms and the surroundings where they live

Question 1.

Visit a pond and make a list of animals found inside the water.

Answer:

The animals like frogs, fish, molluscs and certain insects are found inside the water. Protozoans like amoeba and turtles, water spiders, water skaters, dragon flies, king fishers, ducks and many other types of animals are inhabiting the ponds.

Question 2.

Name some plants which live in dry areas.

Answer:

Plants like cactus, munj, kaner, accacia (keekar), seesam, etc., live in dry areas.

Question 3.

Mention a few aquatic plants found in a pond.

Answer:

Water hyacinth, hydrilla, spirogyra, water lily, lotus, lemna, etc.

Question 4.

Name the places of living of following plants:

Cactus

Hydrilla

Answer:

Cactus: Desert

Hydrilla: Pond.

Habitat and adaptation

Question 1.

What is adaptation?

Answer:

The change in specific features or certain habits, which enables a plant or an animal to live in its surroundings is called adaptation.

Question 2.

What is habitat?

Answer:

The surrounding where organisms survive, flourish and reproduce is called a habitat.

Question 3.

What are aquatic habitats?

Answer:

Habitats of plants and animals that live in water are called aquatic habitat. ‘

Question 4.

What are terrestrial habitats? Give examples.

Answer:

The plants and animals that live on land are said to five in terrestrial habitats. ‘

For example, forests, grasslands, deserts, coastal and mountain region.

Question 5.

What are biotic components?

Answer:

The living things such as plants and animals in a habitat are its biotic components.

Question 6.

Explain abiotic components.

Answer:

Various non-living things such as rocks, soil, air and water in a habitat constitute its abiotic components.

Question 7.

Define ecology.

Answer:

The study of relationship between living organisms and their surroundings is called ecology.

Question 8.

Why does a fish have slippery scales on its body?

Answer:

A fish has slippery scales on its body. These scales protect the fish and also help in easy movement through water.

Explanation:

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