Olympiad – Class IX – Science - Bio - Cell

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Question - 1

What would happen if 'nucleus' is removed from the cell?

  • A The activities of the cell will not be controlled.
  • B The cell will not have a regular shape
  • C The cell will not be able to store food and water.
  • D The movement of substances in and out of the cell will not be controlled.

Question - 2

Abhi conducted an experiment to investigate what would happen when different cell organelles of a balsam plant leaf are removed. The results are recorded in the table given below.

Cell 
Parts
Out come
P The cell cannot function properly
Q Iodine solution remains yello wish brown
R The cell cannot control the entry and exit
of the substances
S The cell loses its regular shape
  • A P Q R S Nucleus Chlorophyll Cell Wall Cytoplasm
  • B P Q R S Cytoplasm  Chloroplast Nucleus cell membrane
  • C P Q R S Nucleus   Chloroplast Cell membrane Cell Wall
  • D P Q R S Nucleus Chloroplast Cell Wall Cell membrane

Question - 3

Which of the following organelles is responsible for mechanical support and enzyme transport?

  • A Mitochondria
  • B Endoplasmic Reticulum
  • C Chloroplast
  • D Golgicomplex

Question - 4

Identify the function of Ribosome

  • A Generates energy
  • B Synthesise lipids
  • C Carries genetic material
  • D Synthesise proteins

Question - 5

Identify the part labelled X?

  • A Sieve tube
  • B Sieve plate
  • C Companion cell 
  • D Sieve pore

Question - 6

Which of the following represents X and Y?

  Cell X Cell Y
Present Absent Present Absent
Cell Wall ✔️     ✔️
Cytoplasm ✔️   ✔️  
Nucleus ✔️   ✔️  
Cell Membrane ✔️   ✔️  
Chloroplast   ✔️   ✔️
  • A X-Animal cell, Y-Plant cell
  • B X-Plant cell, Y-Animal cell
  • C X-Fungal cell, Y-Animal cell
  • D X-Animal cell, Y-Fungal Cell

Question - 7

Chloroplast is absent in which of these cells?

  • A Stem
  • B Leaf
  • C Root
  • D Sepal

Question - 8

Identify the statement that is not true

  • A Cytoplasm contains jelly-like substance
  • B Nucleus makes food for the plant
  • C Chloroplast contains chlorophyll
  • D Cytoplasm is the site where many cell activities take place

Question - 9

What is the function of the chloroplast

  • A To absorb carbon dioxide during photosynthesis
  • B To break up water into hydrogen and oxygen during photosynthesis
  • C To absorb food
  • D To form protein and amino acids in the presence of sunlight

Question - 10

Which cell organelles is/are absent in an animal cell?

  • A A nucleus
  • B A cell wall
  • C A large vacuole
  • D Both (B) and (C)