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Textbook Questions and Answers Question 1.Complete the following sentences.Answer: Question 2.Complete the following web diagram. Answer: Question 3.Find out from your grandparents or parents the names of vegetables and fruits they had eaten in their childhood and mention how the vegetables and fruits are different from the ones today.Answer: Name of the vegetable or fruit … Read more

Textbook Questions and Answers Question 1.Complete the web of different activities related to climbing. Answer: Question 2.There are certain prerequisites for Mountaineering. With reference to the following points develop a short dialogue between you and your friend about mountaineering.Answer: Question 3.Discuss various hazards and risks that a mountaineer/ trekker has to face in an expedition.Answer:The … Read more

Chapter 1.1 Being Neighborly Textbook Questions and Answers Read the following statements and mark those that apply to you. Question 1.(i) I make friends easily.(ii) I wish to be friends with someone but my friendship is rejected.(iii) Someone has extended a hand of friendship towards me and I have not accepted it.(iv) I have a … Read more

Chapter 16 Skeleton and Movement 1. Choose the correct option Question (A).The functional unit of striated muscle is …………..a. cross-bridgesb. myofibrilc. sarcomered. z-bandAnswer:c. sarcomere Question (B).A person slips from the staircase and breaks his ankle bone. Which bones are involved?a. Carpalsb. Tarsalc. Metacarpalsd. MetatarsalsAnswer:b. Tarsal Question (C).Muscle fatigue is due to the accumulation of ……..a. … Read more

1. Choose the correct option Question (A).Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?a. Polar bearb. Flamingoc. Frogd. SharkAnswer:b. Flamingo Question (B).In human beings, uric acid is formed due to metabolism of __________.a. amino acidsb. fatty acidsc. creatinined. nucleic acidsAnswer:d. nucleic acids Question (C).Visceral layer : Podocytes … Read more

Chapter 14 Human Nutrition 1. Choose the correct option Question A.Acinar cells are present in ……………..a. liverb. pancreasc. gastric glandsd. intestinal glandsAnswer:b. pancreas Question B.Which type of teeth is maximum in number in the human buccal cavity?a. Incisorsb. Caninesc. Premolarsd. MolarsAnswer:d. Molars Question C.Select odd one out on the basis of digestive functions of tongue.a. … Read more

1. Choose the Correct option. Question (A)The reactions of the TCA cycle occur in(A) ribosomes(B) grana(C) mitochondria(D) endoplasmic reticulumAnswer:(C) mitochondria Question (B)In eukaryotes the complete oxidation of a molecule of glucose results in the net gain of(A) 2 molecules of ATP(B) 36 molecules of ATP(C) 4 molecules of ATP(D) 38 molecules of ATPAnswer:(D) 38 molecules … Read more

1. Choose the correct option. Question (A)A cell that lacks chloroplast does not(a) evolve carbon dioxide(b) liberate oxygen(c) require water(d) utilize carbohydratesAnswer:(b) liberate oxygen Question (B)Energy is transferred from the light reaction step to the dark reaction step by(a) chlorophyll(b) ADP(c) ATP(d) RuBPAnswer:(c) ATP Question (C)Which one is wrong in photorespiration?(a) It occurs in chloroplasts(b) … Read more

Chapter 11 Study of Animal Type: Cockroach Question (A)Chemical nature of chitin is ____________ .(A) protein(B) carbohydrate(C) lipid(D) glycoproteinAnswer:(B) carbohydrate & (D) glycoprotein Question (B)Cockroach has ___________ type of mouthparts.(A) sponging(B) chewing and biting(C) piercing and sucking(D) lappingAnswer:(B) chewing and biting Question (C)Spiracle is a part of ________ system of cockroach.(A) circulatory(B) respiration(C) reproductive(D) nervousAnswer:(B) … Read more

Chapter 10 Animal Tissue 1. Choose the correct option Question (A)The study of structure and arrangement of tissue is called _______.(a) anatomy(b) histology(c) microbiology(d) morphologyAnswer:(b) histology Question (B)_______ is a gland which is both exocrine and endocrine.(a) Sebaceous(b) Mammary(c) Pancreas(d) PituitaryAnswer:(c) Pancreas Question (C)_______ cell junction is mediated by integrin.(a) Gap(b) Hemidesmosomes(c) Desmosomes(d) AdherensAnswer:(b) Hemidesmosomes … Read more