Last updated on August 30th, 2023 at 10:38 pm
Fill in the blanks:-
- Plants and animals in the sea are surrounded by …………. Water.
- The desert is extremely ………. During the day and extremely ……… at night.
- The seed is said to have germinated when it has grown into a ………..
- Earthworms breathe through their ……….
- Living things produce more of their own kind through ……………
 Answers :-Â
- Saline [salty]
- Hot , cold
- Sprout
- Skin
- Reproduction
Extra QuestionsÂ
Q. What kinds of trees can we find in the mountains?
ANS -On mountains, we see a variety of trees, including oaks, pines, and deodars.
Q. How camel can survive in the desert?
ANS -A camel’s body structure allows it to survive in desert conditions. Camels have long legs that help to keep their bodies cool in the sand. They excrete a small amount of urine, have dry dung, and do not sweat. Camel’s bodies lose very little water, they can live for many days without water.
Q. What is adaptation?
ANS -The presence of specific features or habits that allow a plant or animal to live in its surroundings is referred to as adaptation. The surroundings where organisms live is called a habitat.
Q. What is a terrestrial habitat? Give examples.
ANS -Terrestrial habitats are those of plants and animals that live on land. Forests, grasslands, deserts, coastal and mountain regions are examples of terrestrial habitats.
Q. – What is an aquatic habitat? give examples.
ANS -The habitats of plants and animals that live in water are called aquatic habitats. Ponds, swamps, lakes, rivers and oceans are some examples of aquatic habitats.
Q. – Define biotic and abiotic components.
ANS -The biotic components of habitat are living things such as plants and animals. The habitat’s abiotic components include various non-living things such as rocks, soil, air, and water. Abiotic components of the habitat include sunlight and heat.
Q. – How dolphins and whales can breathe?
ANS -Dolphins, and Whales, do not have gills. They take in air through nostrils or blowholes located on the tops of their heads. This allows them to breathe air when swimming near the surface of the water.
Q. – Define Respiration.
ANS -Breathing is a part of the respiration process. Some of the oxygen in the air we breathe in is used by the living body during respiration. We expel the carbon dioxide produced by this process through our lungs.
Q. Define Stimuli?
ANS -Stimuli are changes in our environment that cause us to respond to them.
Q. What is excretion?
ANS – Excretion is the method by which living organisms discharge their wastes.
Also Check:-
- Chapter 10 – Motion and Measurement of Distances
- Chapter 11 – Light Shadows and Reflections
- Chapter 12 –Electricity and Circuits
