Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/Science/chapter-15/
Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/Science/chapter-15/
Whales belong to class Mammalia while fishes are included in class Pisces. Both are aquatic animals and chordates. However, both differ in several basic characters, such as: (l) Whales are warm-blooded animals while fishes are cold-blooded. (ii) Whales respire through lungs while fishes respire throRead more
Whales belong to class Mammalia while fishes are included in class Pisces. Both are aquatic animals and chordates. However, both differ in several basic characters, such as: (l) Whales are warm-blooded animals while fishes are cold-blooded. (ii) Whales respire through lungs while fishes respire through gills. (iii) whales possess mammary glands which are absent in fishes. (iv) Whales have four chambered heart, while fishes have a two-chambered heart.
Protozoa are regarded as early or primitive animals because: (i) they exhibit a cellular level of organisation; (ii) the tissues, organs and organ systems have not developed in them; (iii) they are microscopic and exhibit a primitive mode of reproduction.
Protozoa are regarded as early or primitive animals because: (i) they exhibit a cellular level of organisation; (ii) the tissues, organs and organ systems have not developed in them; (iii) they are microscopic and exhibit a primitive mode of reproduction.
Bed bug (Cimex) is an insect because it possesses the basic characteristics of class Insecta, such as: (i) Three pairs of jointed thoracic legs. (ii) Its body is divisible into three parts -head, thorax and abdomen. (iii) The exoskeleton of bed bug is made up of chitin.
Bed bug (Cimex) is an insect because it possesses the basic characteristics of class Insecta, such as: (i) Three pairs of jointed thoracic legs. (ii) Its body is divisible into three parts -head, thorax and abdomen. (iii) The exoskeleton of bed bug is made up of chitin.
Which of the following bacteria contaminates river water and is found in river Ganga:
Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/Science/chapter-15/
Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
See lessPlease follow the link to visit website for first and second term exams solutions.
https://www.tiwariacademy.com/ncert-solutions/class-10/Science/chapter-15/
Why should we conserve forests and wild life?
Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/Science/chapter-15/
Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
See lessPlease follow the link to visit website for first and second term exams solutions.
https://www.tiwariacademy.com/ncert-solutions/class-10/Science/chapter-15/
Why are whales not grouped in fishes?
Whales belong to class Mammalia while fishes are included in class Pisces. Both are aquatic animals and chordates. However, both differ in several basic characters, such as: (l) Whales are warm-blooded animals while fishes are cold-blooded. (ii) Whales respire through lungs while fishes respire throRead more
Whales belong to class Mammalia while fishes are included in class Pisces. Both are aquatic animals and chordates. However, both differ in several basic characters, such as: (l) Whales are warm-blooded animals while fishes are cold-blooded. (ii) Whales respire through lungs while fishes respire through gills. (iii) whales possess mammary glands which are absent in fishes. (iv) Whales have four chambered heart, while fishes have a two-chambered heart.
See lessWhy are protozoa are regarded as early animals?
Protozoa are regarded as early or primitive animals because: (i) they exhibit a cellular level of organisation; (ii) the tissues, organs and organ systems have not developed in them; (iii) they are microscopic and exhibit a primitive mode of reproduction.
Protozoa are regarded as early or primitive animals because: (i) they exhibit a cellular level of organisation; (ii) the tissues, organs and organ systems have not developed in them; (iii) they are microscopic and exhibit a primitive mode of reproduction.
See lessWins are absent in bed bug even then it is considered an insect. Why?
Bed bug (Cimex) is an insect because it possesses the basic characteristics of class Insecta, such as: (i) Three pairs of jointed thoracic legs. (ii) Its body is divisible into three parts -head, thorax and abdomen. (iii) The exoskeleton of bed bug is made up of chitin.
Bed bug (Cimex) is an insect because it possesses the basic characteristics of class Insecta, such as: (i) Three pairs of jointed thoracic legs. (ii) Its body is divisible into three parts -head, thorax and abdomen. (iii) The exoskeleton of bed bug is made up of chitin.
See less