ST.

GREGORIOS HIGH SCHOOL

ASSESSMENT – I
Biology

Std :IX No. of Pages:6 Marks : 40

Date : 02.07.2024 Time : 1 hour
The first 10 minutes are for reading only. No writing work is to be done during this time. The writing time is
excluding this reading time.

SECTION A

Question 1
Select the correct answers to the questions from the given options: [4]

(i) Identify the cell organelle that is not present in a rose plant:
(a) Ribosomes
(b) Vacuoles
(c) Centrioles
(d) Mitochondria

(ii) Assertion (A): Anther is usually two lobed with two pollen sacs
in each lobe.
Reason (R): Pollen sacs contain the nectaries, which participate
in reproduction.
(a) Both Assertion and Reason are True
(b) Both Assertion and Reason are False
(c) Assertion is True and Reason is False
(d) Assertion is False and Reason is True

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(iii) The optimum temperature range for seed germination is:
(a) 0° C to 50° C
(b) 25° C to 35° C
(c) 25° C to 45° C
(d) 15° C to 40° C

(iv) Identify the advantage/advantages of the progeny obtained by cross

pollination:
(P) Parental characters are preserved.
(Q) Off springs are healthier.
(R) Seeds produced are abundant and viable.

(a) Only P
(b) Both P and Q
(c) Only Q
(d) Both Q and R

Question 2

(i) Name the following: [4]

(a) The condition when the stigma of the flower matures earlier than
the anthers.
(b) The mode of arrangement of flowers on the axis of a plant.
(c) The region of the axis between the point of attachment of
cotyledons and plumule.
(d) The most essential element present in proteins.

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(ii) Match the columns: [4]

Column A Column B
(a) Neuter flower 1. Maize
(b) Anemophily 2. Nasturtium
(c) Nectaries 3. Bignonia
(d) Ornithophily 4. Ray florets of sunflower
5. Vallisneria

(iii) Arrange and rewrite the terms in each group in the correct order so as [3]
to be in a logical sequence beginning with the term that is underlined:

(a) Pollen tube, Pollen grain, Stigma, Ovary.

(b) Cytoplasm, Nucleoplasm, Cell wall, Nuclear membrane.
(c) Fusion of gametes, Allogamy, Embryo, Zygote.

(iv) Choose the odd one out from the following terms and name the category [3]
to which the others belong:

(a) Mango, Bacteria, Amoeba, Papaya.

(b) Sucrose, Fructose, Maltose, Lactose.
(c) Poppy, Mustard, Cereals, Palm.

(v) State the exact location of the following: [2]

(a) Centrosome
(b) Anthocyanins

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 SECTION B

Question 3

(i) Define Viviparous germination. [1]

(ii) In some Hydrophilous flowers, the pollen grains have specific gravity almost [1]
as equal as that of water. Justify the statement.
(iii) Given below is a diagram showing two cell organelles. Answer the following [3]
questions:

X Y

(a) State the location of organelle labelled X in a human cell.

(b) Label the part ‘1’ in the figure X and list the functions of this part.

(c) Name the pigment present in the organelle Y.

(d) What is the role of organelle Y in a cell?

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Question 4

(i) Draw a well labelled diagram of a longitudinal section of a maize grain. [2]

(ii) Differentiate between the following: [3]

(a) Hypogeal and epigeal germination (position of cotyledons)

(b) Monadelphous and Polyandrous androecium (explain the terms)

(c) Kwashiorkor and Marasmus (appearance of skin)

Question 5

(i) Heterostyly does not favour self-pollination. Give a suitable reason. [1]

(ii) List the functions of micropyle after fertilisation. [1]

(iii) Given below is the diagram of ovule showing the embryo sac. Study the [3]
diagram and answer the following questions:

(a) Label the parts 1 and 2.

(b) What is the fate of the parts labelled 1 and 3 after fertilisation?

(c) What is double fertilisation?

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Question 6

(i) List any one main characteristic of Golgi apparatus. [1]

(ii) What is the difference between Monoecious and Dioecious plants? [1]

(iii) The diagram given below shows an experimental set-up at room temperature. [3]

Study the diagram and answer the following questions:

(a) What is the aim of the experiment?

(b) Identify the substance “X” shown in the above picture and state the
purpose of using it.

(c) Why do seeds that are sown very deep fail to germinate?

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 ST. GREGORIOS HIGH SCHOOL
TERMINAL EXAMINATION
BIOLOGY

Std : IX No. of Pages: 14 Marks : 80

Date : 24.08.2024 Time : 2 hours
The first 15 minutes are for reading only. No writing work is to be done during this time. The writing time is
excluding this reading time.

SECTION A
(Attempt all questions from this section.)

Question 1

Choose the correct answer to the questions from the given options. [15]
(Do not copy the question, write the correct answers only.)

(i) Which one of the following bacteria is rod shaped?

(a) Coccus

(b) Vibrio

(c) Bacillus

(d) Spirillum

(ii) Which of the following diseases can be prevented by TAB?

(a) Tuberculosis

(b) Tetanus

(c) Typhoid

(d) Taeniasis

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(iii) Assertion (A): Elephophily is the pollination facilitated by insects.
Reason (R): Elephophily is seen in Rafflesia whose flowers are large and found
at ground level.

(a) A is True and R is False

(b) A is False and R is True

(c) Both A and R are True

(d) Both A and R are False

(iv) The term neuter is given to a flower in which both:

(a) Calyx and corolla are present.

(b) Calyx and corolla are absent.

(c) Androecium and gynoecium are present.

(d) Androecium and gynoecium are absent.

(v) Identify the kingdom to which the figures given below belong to:

(a) Monera

(b) Fungi

(c) Protista

(d) Plantae

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(vi) Which one of the following cell organelles is correctly matched with its
function?

(a) Centrosome – Carries genes

(b) Plasma membrane – Freely permeable

(c) Golgi apparatus – Secretion of enzymes and hormones

(d) Lysosomes – Protein synthesis

(vii) During a practical exam, a bean seed was shown to the students and they were
told to identify the correct pair.

(a) 1- Epicotyl, 2- Cotyledon

(b) 1- Epicotyl, 2- Tegmen

(c) 1- Plumule, 2- Cotyledon

(d) 1- Hypocotyl, 2- Tegmen

(viii) Which of the following sugars is known as commercial sugar?

(a) Sucrose

(b) Fructose

(c) Maltose

(d) Lactose
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(ix) Which of the following animals shows looping movements?

(a) Tapeworm

(b) Round worm

(c) Starfish

(d) Hydra

(x) Assertion (A): Every part of a plant such as leaves, stem and roots respire.
Reason (R): The tiny pores present on leaves that help in respiration are called
lenticels.

(a) A is true and R is False

(b) A is False and R is True

(c) Both A and R are True

(d) Both A and R are False

(xi) Sam tried to match the type of teeth with the function they perform while eating
food. He tabulated the pairs as follows:
Teeth Function
P Holding and tearing the food
Q Biting and cutting the food

Identify the correct pair.

(a) P- Molars, Q- Canines

(b) P- Canines, Q- Incisors

(c) P- Premolars, Q- Incisors

(d) P- Canines, Q- Molars

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(xii) Assertion (A): In androecium, stamens may be free or joined in groups.
Reason (R): In Diadelphous flowers, filaments are united in two bundles.

(a) A is true and R is False

(b) A is False and R is True

(c) Both A and R are True

(d) Both A and R are False

(xiii) Paramecium is an example of:

P. Member of kingdom Monera

Q. A unicellular organism

R. A heterotroph

(a) Only Q

(b) Only P and Q

(c) Only Q and R

(d) Only R

(xiv) Assertion (A): Respiration is an anabolic process of releasing energy from

glucose.
Reason (R): Glycolysis is a phase of respiration that occurs in cytoplasm.

(a) A is False and R is True

(b) A is True and R is False

(c) Both A and R are True

(d) Both A and R are False

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(xv) Perianth is the collective term for a group of:
(a) Tepals

(b) Petals

(c) Bracts

(d) Sepals

Question 2

(i) Name the following: [5]

(a) The component of the cell concerned with the transmission of hereditary
characters from parents to offspring.

(b) The process by which the liver converts the excess amino acids to urea
and sugar.

(c) The manner in which the ovules are attached to the wall of the ovary.

(d) A substance produced in animal bodies which reacts with the toxin
produced by the invading germs.

(e) The disease caused due to deficiency of carbohydrates, proteins and fats
in the diet.

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

The saliva is a slightly acidic fluid that contains 99% water along with salt,
mucus and an enzyme called (a) _________ which converts the starch into (b)
________. Saliva is secreted by three pairs of salivary glands. (c) ____ gland is
located just in front of and beneath each ear. Sublingual gland lies below the (d)
_______ and the (e) ___________ gland is present close to the inner side of the
lower jaw on each side. Ducts from each gland transport the secreted saliva into
the mouth.
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(iii) Read the explanations given below and name the structure: [5]

Example: The part of flower that bears seed.

Answer: Fruit

(a) A duct which is formed when hepatic duct and cystic duct join together.

(b) It gives turgidity to the plant cells by pressing against the cell wall.

(c) A cartilaginous flap located in front of the larynx that prevents food from
entering the windpipe.

(d) The protective sheath that covers the radicle of the embryo in a maize
grain.

(e) In phylum Arthropoda, the part of organisms made up of chitin.

(iv) While going through a science magazine, Anne found a very interesting table [5]
related to the essential vitamins, their sources and associated deficiency
diseases. Can you help Anne to complete the table given below?

Vitamin Rich source Deficiency disease

Calciferol Fish liver oil (a)__________

(b) __________ Carrots Xerophthalmia

Niacin (c) __________ (d) __________

(e) __________ Grape fruit Scurvy

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(v) Arrange and rewrite the terms in each group in the correct order so as to be in [5]
a logical sequence beginning with the term that is underlined.
(a) Spawning, Casing, Composting, Harvesting.

(b) Oesophagus, Pharynx, Small intestine, Stomach.

(c) Cell membrane, Cell wall, Chromatin fibre, Cytoplasm.

(d) Order, Class, Genus, Family.

(e) Epicalyx, Sepals, Receptacle, Stalk.

SECTION B
(Attempt any four questions from this section.)

Question 3

(i) Define Vaccination. [1]

(ii) What happens to the ovule and secondary nucleus after fertilization? [2]

(iii) State any two functions of fats in our diet. [2]

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(iv) Study the given figure and answer the following questions: [2]

(a) Which seed will show the germination?

(b) State any two factors required for the germination?

(v) Draw a well labelled diagram of a microscopic structure of an intestinal villus. [3]

Question 4

(i) Explain the term Dichogamy. [1]

(ii) What is the function of leucoplast and chromoplast in a plant cell? [2]

(iii) Write the overall chemical equation for aerobic and anaerobic respiration in [2]
plants.

(iv) Differentiate between Decay and Putrefaction. [2]

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(v) Study the images of the animals given below and answer the following [3]
questions.

A B

C D

(a) Name the phylum of the organism shown in A and D.

(b) List the features of the skin and the chambers of the heart of the animal
shown in B.

(c) The organism shown in C shows a special feature called moulting.

Explain the term.

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Question 5

(i) Explain the term Bract. [1]

(ii) State any two functions of nucleus. [2]

(iii) ‘Earthworms are very useful in agriculture’. Give a biological explanation for [2]
the statement.
(iv) What are antibiotics? Name the source organism from which the first antibiotic [2]
was obtained.

(v) Study the diagram given below and answer the following questions: [3]

(a) What is the aim of the experiment shown above?

(b) Name the chemical filled in the test tubes. Why this chemical is used in
the experiment?

(c) Which flask is the control set up and why?

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Question 6

(i) Explain the term Malnutrition. [1]

(ii) State any two characteristics of a prokaryotic cell. [2]

(iii) Cellulose is not digested in our body yet it is an important component of a [2]
balanced diet. Why?

(iv) Study the diagram given below and answer the following questions: [2]

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2

(a) Name the parts labelled 1 and 3.

(b) What is the function of the part labelled ‘2’?

(v) Draw a well labelled diagram of a single cell of yeast. [3]

Question 7

(i) Define Protoplasm. [1]

(ii) Mention any two factors that are to be kept in mind while constituting a balanced [2]
diet.

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(iii) ‘Respiration and photosynthesis are opposite to each other’. State any two [2]
points to support the statement.

(iv) What are exalbuminous seeds? Give one example of monocot and dicot [2]
exalbuminous seed each.

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

(a) Label part 4 and 5.

(b) Name any two enzymes secreted from the gland labelled 3.

(c) The food stays in the part 1 for about ______hours and it attains a pulp-
like form called the ________.

Question 8

(i) Explain the term Peristalsis. [1]

(ii) In experiments based on respiration, the seeds taken as control are treated with [2]
an antiseptic. Why?

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(iii) Given below are two statements which are incorrect. Rewrite the correct [2]
statements:

(a) In Bryophyta, the plant body has a false root like structures known as
phyllids.

(b) Gymnosperms are divided into monocots and dicots.

(iv) Where is the bile juice produced and where is it temporarily stored? Name the [2]
two pigments present in bile juice.

(v) Study the diagram given below and answer the following questions: [3]

(a) Name the bacteria that converts ammonium compound to nitrates and
nitrites to nitrates.

(b) What are Denitrifying bacteria? Give an example.

(c) State any two industrial uses of bacteria.

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