Animalia

The animals are classified into ten groups based on the body design, germinal layers, presence of notochord, etc. The ten groups are: Porifera Coelenterata Platyhelminthes Nematoda Annelida Arthropoda Mollusca Echinodermata Protochordata Vertebrata Porifera: They are non-motile animals They have holes or pores all over their bodies Pores help in circulating water throughout the body TheirContinue reading “Animalia”

Ch – 7 Diversity In Living Organisms (Part 2)

Q.1: The body of animals in ______________ group, is bilaterally symmetrical, meaning that the left and right halves of the body have the same design. a) Coelenterata b) Porifera c) Platyhelminthes Q.2: ____________ means organisms with holes. a) Coelenterata b) Porifera c) Platyhelminthes Q.3: Which of the following statements represent the characteristics of Porifera ?Continue reading “Ch – 7 Diversity In Living Organisms (Part 2)”

Ch – 11 Transportation In Animals & Plants

Q.1: The fluid part of the blood is called ___________. a) RBC b) WBC c) Plasma Q.2: ____________ carry oxygen rich blood from the heart to all parts of the body. a) Arteries b) Veins c) Both Q.3: The presence of ______________ makes the blood appear red. a) calcium b) hormones c) haemoglobin Q.4: TheContinue reading “Ch – 11 Transportation In Animals & Plants”

Ch – 6 Physical & Chemical Changes

Q.1: Properties such as size, shape, colour, etc. of a substance are called its ____________ properties. a) physical b) chemical c) both Q.2: The iron acquires a film of ____________ substance, when it gets rusted. a) greyish b) greenish c) brownish Q.3: Magnesium + Oxygen —-> _______________. a) Magnesium Oxygen b) Magnesium Oxide c) MagnesiumContinue reading “Ch – 6 Physical & Chemical Changes”

Ch – 6 Tissues (Part 3)

Q.1: ____________ is a solid matrix composed of proteins and sugars. a) Bones b) Plasma c) Cartilage Q.2: Fats are stored in ____________ tissue. a) Adipose b) Adipocyte c) Areolar Q.3: Muscles contain special proteins known as ____________, which contract and relax to cause movement. a) contractile b) myoglobin c) collagen Q.4: The cells havingContinue reading “Ch – 6 Tissues (Part 3)”