ROOTS IVY International School, PWD Campus
Pre – 9th
Final Examination April, 2024
Subject: Biology Total Marks: 12
Name of Candidate:_______________________ Roll #:_______________________
Time Allowed: 20 Minutes Sign. of Invigilator:______________
SECTION-A (12 x 1=12)
Q.1 Fill the relevant bubble for each part. Each part carries one mark.
i. Paleontology is study of
a. Tissues b. Embryo
c. Fossils d. Insects
ii Oryza sativa is scientific name of:
a. Potato b. Tomato
c. Wheat d. Rice
iii Following are the characteristics of a good hypothesis, EXCEPT:
a. Should be a complex statement b. Should be testable
c. Should be a tentative idea d. Should agree with available observation
Following diagram shows level of organization in rats. Which one is organ level?
i. iv
a. a. b.
c. c. c. d.
i. v Which graph best illustrates the effect of temperature on enzyme activity?
a. b.
c. d.
i. vi Microbiology is study of
a. Fungi b. Animals
c. Plants d. Microorgansms
i. vii All are related with Malaria except
a. Anopheles b. Aedes
c. Quinine d. Plamodium
i. viii Comparison of one number to another is called:
a. Ratio b. Mean
c. Proportion d. Frequency
i. ix Which cell is prokaryotic cell?
a. b.
c. d.
i. x Hydrolysis of starch occurs with the help of
a. Sucrase b. Amylase
c. Cellulase d. Lipase
i. xi Which is true about enzyme?
a. All enzymes are not proteins b. all enzymes are vitamins
c. All enzymes are proteins d. All proteins are enzymes
i. xii Colonial organization is unique characteristic of
a. Monera b. Protista
c. Fungi d. Plantae
ROOTS IVY International School, PWD Campus
Pre – 9th
Subject: Biology Total Marks: 53
Name of Candidate:_______________________ Roll #:_______________________
Time Allowed: 2 hours 45 Minutes Sign. Of Invigilator:______________
SECTION-B
Q2. Attempt the following questions. (11x3=33)
How plasmodium was proved to be the causative agent for malaria?
i
OR
Identify level o organization of following: Nose, DNA, Muscles, carbon, Golgi bodies
How did Ronald Ross prove the deduction, “Plasmodium should be present in mosquito”?
ii OR
Describe the importance of data analysis in hypothesis.
Write down the scientific names of rice & Frog.
iii OR
Differentiate between Macromolecules & Micromolecules.
Differentiate between extinct & endangered species. Give one example of each.
iv OR
Differentiate between Genetics & Sociobiology.
How biology is linked with other sciences.
v OR
Draw labeled diagram of prokaryote.
Which one is more acceptable model of mechanism of enzyme action? Describe it.
vi OR
How Colonial organisms are different from multicellular organsims?
Why do we use name of vector for mosquito?
vii OR
What is incubation period? Briefly explain with example.
Differentiate between fungi & plants.
viii OR
Draw a labeled diagram of virus.
Draw a labelled diagram of mitochondrion.
ix OR
Why viruses are regarded as acellular?
Name the factors affecting enzyme activity
x OR
What happens to enzyme when it is heated to 100oC
Why are enzymes required in small quantities?
xi OR
Differentiate between Ratio & proportion.
SECTION-C (04x5=20)
Attempt all questions.
How biology is related with other sciences? Show & explain the link.
Q.3 OR
Describe the structure & function of nucleus with the help of diagram.
Give an account of levels of biological organization.
Q.4 OR
Describe structure of cell membrane with the help of diagram.
Compare two kingdom & five kingdom classification system.
Q.5 OR
What is deforestation? Explain its effects on biodiversity.
Explain the effect of temperature change on enzyme activity with the help of graph.
Q.6 OR
Explain the effect of pH change on enzyme activity with the help of graph.
