Class-8th (Science) Olympiad - CANSO

Mock Instructions

  • 1. This is Model Question Paper.
  • 2. This is an Online Worksheet.
  • 3. Total Questions-50.
  • 4. Total Time-60 minutes.

Section-1-Science

The pesticide used in foundation of buildings for preventing termite attack is:

  • (a) DDT
  • (b) BHC
  • (c) aldrin
  • (d) endosulphan

Q.2 Bioinsecticides includes:

  • (a) pathogens
  • (b) parasites
  • (c) predators
  • (d) All of these

Q.3 BCG vaccine provides protection from:

  • (a) emphysema
  • (b) pneumonia
  • (c) polio
  • (d) tuberculosis

Q.4 The extra nuclear DNA in a bacterial cell con­tains genes for:

  • (a) sexuality
  • (b) drug resistance
  • (c) sexuality and drug resistance
  • (d) mortality

Q.5 Bacterial ribosomes are found:

  • (a) in the cytoplasm
  • (b) on nuclear memberane
  • (c) on the cell wall
  • (d) on endoplasmic reticulum

Q.6 DNA does not have:

  • (a) adenine
  • (b) uracil
  • (c) guanine
  • (d) thymine

Q.7 Which of the following is known as power house of cell ?

  • (a) Mitochondria
  • (b) Ribosomes
  • (c) Nucleus
  • (d) RNA

Q.8 Gametes formation takes place through the process of:

  • (a) amitosis
  • (b) mitosis
  • (c) meiosis
  • (d) fission

Q.9 The point at which crossing over occurs is called as

  • (a) chiasmata
  • (b) centromere
  • (c) chromosome
  • (d) gene loci

Q.10 The period of pendulum depends upon:

  • (a) mass
  • (b) length
  • (c) amplitude
  • (d) energy

Section-2 Logical Thinking:

Q.11 If the letters in ‘PRABA’ are coded as 27595 and ‘THILAK’ are coded 368451, how can ‘BHARATHI’ be coded?

  • (a) 96575368
  • (b) 57686535
  • (c) 96855368
  • (d) 37536689

Instruction:(12-13)In the following questions, select the related word/ number from the given alternatives.

Q.12 Book: Shelf-Clothes : ?

  • (a) Hanger
  • (b) Cupboard
  • (c) Wardrobe
  • (d) Bureau

Q.13 125 : 5 : : 64 : ?

  • (a) 8
  • (b) 4
  • (c) 2
  • (d) 32

Section-4- High Order Thinking (HOT):

Q.14 Which of the following is not a mineral acid?

  • (a) HCl
  • (b) H2SO4
  • (c) HCOOH
  • (d) H2CO3

Q.15 Energy possessed by a body due to its configuration is:

  • (a) kinetic energy
  • (b) nuclear energy
  • (c) potential energy
  • (d) thermal energy