VIBGYOR HIGH

Sample Paper
AY 2024-2025
BIOLOGY

Grade: IX Max. Marks: 80

Date: dd/mm/yyyy Time Allowed: 2 hour

INSTRUCTIONS:

 Answers to this paper must be written on the paper provided separately.

 You will not be allowed to write during the first 15 minutes.
 This time is to be spent in reading the question paper.
 The time given at the head of this paper is the time allowed for writing the
answers.
 The intended marks for the questions or parts of questions are given alongside
the questions.
 Section A is compulsory. Attempt any four questions from Section B.
 This question paper contains 9 printed pages.

SECTION A (40 marks)

Attempt all questions from this Section

Question 1 [15]
Select the correct answers to the questions from the given options.
(Do not copy the question. Write the correct answer only):
i) The cell organelle that helps in synthesis of respiratory enzymes:
a) Ribosomes
b) Lysosomes
c) Mitochondria
d) Endoplasmic reticulum

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ii) The membrane around the vacuole is known as:
a) Cytoplast

b) Chromoplast
c) Tonoplast
d) Amyloplast

iii) The epithelial tissue that is found in lining of mouth and blood vessels:
a) Columnar epithelium
b) Cuboidal epithelium
c) Squamous epithelium
d) Stratified epithelium

iv) The plant tissue with elongated cells and cell wall thickened at the corners:
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Chlorenchyma

v) Which of the following statements holds true for Kreb’s cycle?

a) Glucose converts into pyruvate.
b) Proceeds without involving oxygen
c) Occurs in the mitochondria
d) Two molecules of ATP are created

vi) Which of the following pairs are the end products of anaerobic respiration in
plants?
a) Carbon dioxide and water vapour
b) Lactic acid and carbon dioxide
c) Ethanol and oxygen
d) Ethanol and carbon dioxide

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vii) The disease caused by deficiency of Thiamine:
a) Rickets
b) Xerophthalmia
c) Beriberi
d) Scurvy

viii) A child showing poor mental and physical growth with symptoms of cretinism
has deficiency of which mineral?
a) Calcium
b) Iodine
c) Iron
d) Phosphorous

ix) Which of the following pair of enzymes are present in pancreatic juice?
a) Amylopsin, Lactase
b) Trypsin, Steapsin
c) Lipase, Maltase
d) Pepsin, Renin

x) The vaccine given against Polio disease:

a) DPT Vaccine
b) BCG Vaccine
c) Salk’s vaccine
d) HIV Vaccine

xi) The joint present in elbow is:

a) Gliding joint
b) Hinge joint
c) Pivot joint
d) Ball and socket joint

xii) Which of the following is not a part of forelimbs?

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 a) Humerus
b) Radius
c) Fibula
d) Metacarpals

xiii) The glands which help is secretion of ear wax:

a) Meibomian glands
b) Mammary glands
c) Ceruminous glands
d) Sebum glands

xiv) Which layer of epidermis is tough, offers resistance towards mechanical

damage and bacterial infection?
a) Cornified layer
b) Granular layer
c) Germinative layer
d) Malpighian layer

xv) Which of the following is not a correct pair?

a) Iodine - Antiseptic
b) Tetanus- Toxoid
c) TAB- Tuberculosis
d) Phenol- Disinfectant

Question 2 [25]
(i) Name the following [5]
a) The tissue that is responsible for increase in girth of the stem.
b) The disaccharide that is made of two glucose molecules.
c) The colouring pigments that are not associated with plastids.
d) The abnormal condition where skin pigmentation is lost from smaller or
larger patches at different regions of the body.
e) The scientist who discovered the first antibiotic.

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(ii) Arrange and rewrite the terms in each group in the correct order so as [5]
to be in a logical sequence beginning with the term underlined.
a) Nuclear membrane, Chromatin network, Cytoplasm, Cell wall.
b) Axon, Cyton, Dendrites, Axon endings.
c) Phagocytosis, Diapedesis, White blood cells get attracted towards
bacteria, Entry of microbe.
d) Fibula, Femur, Metatarsals, Tarsals.
e) Germinative layer, Subcutaneous fat, Dermal papillae, Stratum corneum.

(iii) Fill in the blanks with suitable words [5]

Bile is yellowish-green and watery fluid produced in the (a) ________,
which is transported through the (b) ________ duct. The bile flows directly
into the duodenum or gets temporarily stored in the (c)__________. The
colour of the bile is due to certain pigments like biliverdin and (d)________.
It also contains a salt named (e) ___________ which neutralizes the
acid content of the food received from the stomach.

(iv) Choose the odd one out from the following terms and name the [5]
category to which the others belong.
Example:
Ovary, Sepals, anther, Stamen
Odd term- Sepals
Category- Rest are essential parts of a flower.
a) Mitochondria, Endoplasmic reticulum, Nucleolus, Vacuole.

b) Areolar tissue, Adipose tissue, Blood, Fibrous tissue.

c) Vitamin A, Vitamin B, Vitamin D, Vitamin K.
d) Epidermis, Cambium, Xylem, Parenchyma
e) Storage of food, Synthesis of vitamin D, Secretion of hormones,
Temperature regulation.

[5]

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(v) Match the items given in column I with most appropriate ones in
column II and rewrite the correct matching pairs
Column I Column II
a) Cardiac muscle 1. Oily secretions
b) Cisternae 2. Fibrous tissue
c) Ligament 3. Diffusion of gases
d) Meibomian gland 4. Stores fat
e) Lenticels 5. Presence of striations
6.Tubular structures
7.Prolactin production

Section B (40 marks)

(Attempt any four questions from this Section)

Question 3 [10]
(i) Define vaccination. [1]
(ii) State any two postulates of cell theory. [2]
(iii) Name any one body part where ciliated columnar epithelium is found in [2]
humans? What is its function?
(iv) Differentiate between photosynthesis and respiration based on energy [2]
utilization.
(v) Draw a neat and well labelled diagram of thoracic vertebrae and label [3]
any two parts.

Question 4 [10]
(i) Expand the abbreviation – BCG. [1]
(ii) Name the two elements which are stored in bones. [2]
(iii) Differentiate between Pectoral girdle and Pelvic girdle based on the [2]
bones present.
(iv) Mention the significant feature of lumbar vertebrae. [2]
(v) Draw a neat and well labelled diagram of nucleus and label any two [3]
parts.

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Question 5 [10]
(i) Define- Joint [1]
(ii) While performing an experiment to show that carbon dioxide is [2]
produced during respiration in germinating seeds, Meena applied a
little antiseptic to the dead seeds used in control experiment. Name an
antiseptic which can be used by her along with its use.
(iii) State the role of cellulose in our diet. (Any two points) [2]
(iv) How do the following act as protective mechanical barriers. [2]
a. Mucus secreted by nasal passage.
b. Cilia of the wind-pipe.
(v) Observe the diagram given below and answer the following questions: [3]

(a) Identify the tooth labelled as A.

(b) Name the type of teeth which forms wisdom tooth.
(c) Why human teeth are called as heterodont?

Question 6 [10]
(i) State the location of cellulose. [1]
(ii) Give one difference between bacterial cell and animal cell based on [2]
nuclear membrane.
(iii) Which enzymes are useful in completing the digestion of sucrose and [2]
lactose?
(iv) Give an account of the following: [2]
Respiration and photosynthesis are distinctly opposite processes.

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(v) Study the diagrams given below and then answer the questions [3]
that follow:

(a) Identify the processes A and B.

(b) Briefly explain how hypothalamus acts like a thermostat?
(c) List any two precautions against heatstroke.

Question 7 [10]
(i) What is piloerection? [1]
(ii) Why the ileum of small intestine is long and narrow? [2]
(iii) Name the chemical substance produced inside the body in response to [2]
the entry of foreign poisonous substance. What is the substance given
for the treatment of snake-bite?
(iv) Differentiate between cell wall and cell membrane based on permeability. [2]
(v) Study the given diagram and answer the questions that follow: [3]

(a) Name the disease shown in the diagram.

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 (b) State the cause of this disease.
(c) How can the above disease be controlled?

Question 8 [10]
(i) Define anoxybiotic respiration. [1]
(ii) Shoulder joint and knee joint are also known as synovial joints. Give two [2]
reasons in support of the statement.
(iii) What is the main cause of? [2]
a. Pimples
b. Acne
(iv) What happens to the excess of amino acids present in our body? [2]
Explain.
(v) Study the diagram and answer the questions that follow: [3]

(a) Identify the protein present in part labelled 1.

(b) Name the pigment which gives colouration to the skin .
(c) Which fluid is secreted by part labelled 4?

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