Ch – 14 Electric Current & Its Effects

Q.1: A sudden flow of very large current due to direct contact of a live and a neutral wire is called ____________.

Plantae

Plants are grouped on the basis of plant body components, presence of specialised tissues, ability to bear seeds, etc. Based on these factors, plants are classified as: Thallophyta Bryophyta Pteridophyta Gymnosperms Angiosperms Thallophyta: They do not have well-differentiated body design. They are predominantly aquatic. The plants of this group are commonly known as “Algae”. Eg:Continue reading “Plantae”

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 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”