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)”

Ch – 6 Tissues (Part 2)

Q.1: ____________ issue is present in stems, around vascular bundles, in the veins of leaves and in the hard covering of seeds and nuts. a) Collenchyma b) Aerenchyma c) Sclerenchyma Q.2: The tissues which are made of one type of cells are called ___________________. a) simple permanent tissue b) complex permanent tissue c) none Q.3:Continue reading “Ch – 6 Tissues (Part 2)”

Ch – 5 Separation Of Substances

Q.1: The mixture in which the constituents are uniformly distributed and each part of the mixture has the same properties, is known as _________________ mixture. a) Homogeneous b) Heterogeneous c) None Q.2: The substances which are mixed to form a mixture are called ____________. a) constituents b) components c) Both Q.3: Which of the followingContinue reading “Ch – 5 Separation Of Substances”