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RESOURCE PACK
BIOLOGY
GRADE: 7
Prepared by: Safa Hameed
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CHAP# 1
TOPIC: Plant and Animal cells
pg. 2
•
Choose the correct option:
All cells arise from ___________.
o A.
Atoms
o B.
Molecules
o C.
Pre-existing cells
pg. 3
o D.
Ammonia
• 2.
Plant cells contain _____ which helps the process of photosynthesis.
o A.
Vacuole
o B.
Chlorophyll
o C.
Cell wall
o D.
Mitochondrial
• 3.
pg. 4
Cells were first discovered by ________.
o A.
Charles Darwin
o B.
Isaac Newton
o C.
Robert Hooke
o D.
John Darton
• 4.
Which of the following cell structures is peculiar to plant cells?
o A.
pg. 5
Cell membrane
o B.
Cytoplasm
o C.
Cell wall
o D.
Vacuoles
• 5.
The living portion of the cell is called...
o A.
Cytoplasm
o B.
Protoplasm
o C.
Cyst
o D.
Nucleus
• 6.
pg. 6
Somatic cells undergo...
o A.
Mitosis
o B.
Moisis
o C.
Change
o D.
None of the above
• 7.
Which cell structure is regarded as the power house of the cell?
o A.
pg. 7
Endoplasmic reticulum
o B.
Ribosome
o C.
Nucleus
o D.
Mitochondria
• 8.
All parts of the cell surrounded by plasma lemma except except the nucleus is
called...
o A.
Protoplasm
o B.
Cytoplasm
o C.
Nucleus membrane
o D.
Chromosomes
pg. 8
• 9.
Which of the following is referred to as the electrically neutral group of two or
more atoms held together by chemical bonds?
o A.
Atom
o B.
Cells
o C.
Molecules
o D.
Ions
• 10.
pg. 9
Which of the following organelles have similarities to a prokaryotic cell?
o A.
Mitochondria
o B.
Chloroplast
o C.
Both mitochondria and chloroplast
o D.
None of the above
• 11.
What does the cell wall of a plant composed of?
o A.
Carbohydrates
o B.
Proteins
o C.
Cellulose
o D.
pg. 10
Lipids
• 12.
Structures in a cell are called ___________.
o A.
Organelles
o B.
Cytoplasm
o C.
Cell wall
o D.
Membrane
• 13.
pg. 11
The outermost covering of a plant cell constitutes ________.
o A.
Lignin
o B.
Cellulose
o C.
Cytoplasm
o D.
None of the above
• 14.
What is the number of DNA molecules present in each chromosome?
o A.
pg. 12
10
o B.
15
o C.
o D.
Infinite
• 15.
Which of these is a unicellular organism?
o A.
Earthworm
o B.
Snails
o C.
Amoeba
o D.
Elephant
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2.LABEL THESE DIAGRAMS AND ALSO
WRITE THE NAMES OF THESE CELLS
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TOPIC: SPECIALIZED PLANT AND
ANIMAL CELLS
1.CHOOSE THE CORRECT OPTION
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TOPIC: CELLS, TISSUES AND ORGANS
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CHAP # 2
Grouping and identifying organisms
4.1: Characteristics of living organisms
Choose the correct option:
1. Characteristic 1: What is respiration?
Making Food
Breathing
Releasing energy from organic molecules
Eating
2. Characteristic 2: Which characteristic means to take in
sustenance?
Nutrition
Respiration
Transpiration
Reproduction
3. Characteristic 3: Which characteristic means getting rid of
metabolic waste?
pg. 25
Egestion
Disposal
Removal
Excretion
4. Characteristic 4: This characteristic means moving from place to
place.
Sitting
Locomotion
Happiness
None of these
5. Characteristic 5: Which word has the same meaning as sensitivity?
(Sensitivity means responding to stimuli)
Feeling
Irritability
Emotion
None of these
6. Characteristic 6: What does reproduction mean?
Producing new organs
Removing dead cells
Removing used blood cells
Producing an offspring
7. Characteristic 7: The last characteristic is growth, which means
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Change in color
None of these
Increase in complexity
Increase in size
8. What is known as the sum total of all the chemical reactions
going on in cells?
Repair
Growth
Metabolism
Nutrition
9. What is catabolism?
Process in which simpler substances are built up into complex ones
Process in which simpler substances are broken up into complex
ones
Process in which complex substances are broken up into simpler
ones
Process in which complex substances are built up into simpler ones
10. Anabolism is a process which builds up complex substances from
simpler ones.
True
False
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4.2: VIRUS
1. A virus is made up of _______.
(a) Protein coat and nucleic acid
(b) Protein coat and mitochondria
(c) Nucleic acid and cell membrane
(d) Nucleic acid, cell wall and cell membrane
2. Which of the following is the genome of the virus?
(a) DNA
(b) RNA
(c) DNA or RNA
(d) DNA and RNA
3. The viral envelope is made up of _______.
(a) Proteins
(b) Glycoproteins
(c) Lipids and Proteins
(d) All of the above
4.Which of the following statements are true about the viruses?
(a) Free-living
(b) Obligate parasites
(c) Both (a) and (b)
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(d) None of the above
5.The genetic constituent of viruses is ________.
(a) RNA
(b) DNA
(c) ss DNA
(d) DNA or RNA
Topic: How virus replicates
1.Please label the figure to show your understanding of influenza virus life
cycle:
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4.3: What is a species?
1.Write down five similarities between these two organisms . Also write down
some differences if present . Also tell us that they belongs to same species or
different ? Write down the names of organisms?
4.4: Using keys
pg. 30
Q1. Identify the organism using a key?
Vertebrates
Does it have fur?
Yes no
Does it have feathers?
Yes no
Does it have scales?
Yes no
Use this dichotomous key to identify
these organisms?
pg. 31
4.5: Constructing keys
1.Copy this key and complete it, to help someone to
identify each of four learners in photograph?
Is the learner female?
Yes no
? ?
Yes no yes no
Abdullah Amir Maria Ayat
pg. 32
1.Maria 2. Ayat 3. Abdullah 4.Amir
Chap# 3
Microorganisms in the environment
7.1: Microorganisms
Choose the correct option.
Question 1.
Tiny organisms which cannot be seen with the naked eyes are called
(a) microorganisms
(b) animals
(c) fungi
(d) bacteria
Question 2.
Microorganisms are also known as
(a) yeast
(b) microbes
(c) viruses
(d) Amoeba
Question 3.
Fungus can be seen with a
(a) microscope
(b) telescope
(c) magnifying glass
(d) both (a) and (c)
Question 4.
Microorganisms that causes disease are also known as
(a) pathogens
(b) fungi
pg. 33
(c) antigen
(d) microbes
Question 5.
Bacteria are ______ organisms.
(a) multicellular
(b) unicellular
(c) bicellular
(d) tricellular
Question 6.
Bacilli are the bacteria that are
(a) rod-shaped
(b) comma-shaped
(c) curved-shaped
(d) spiral
Question 7.
Spherical-shaped bacteria are called
(a) bacilli
(b) vibrio
(c) spirilla
(d) cocci
Question 8.
The fungus that is commonly used in bakery and beverage industries is
(a) Penicillium
(b) Yeast
(c) Agaricus
(d) Rhizopus
Question 9.
Common cold is caused by which type of microbe?
(a) Bacteria
(b) Virus
(c) Algae
(d) Fungi
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Question 10.
Mushroom belongs to the group of
(a) algae
(b) viruses
(c) fungi
(d) none of these
7.2: Food chains and food webs
1. Label this food chain
pg. 35
Create food web of following:
Insect eating bird
1.Snake Plant
2.Hawk Grass hopper
3.Mountain lion Squirrel
4.Insect eating bird Rabbit
5.Deer Snake Deer
6.Rabbit
Hawk Mountain Lion
7.Grass hopper
8.Squirrel
9.Plants
7.3: Microorganisms and decay
1. Which organism is said to be a farmer’s friend?
a) Rat
b) Earthworm
c) Bat
d) Leopard
2. Which are the organisms called those who are responsible for the break down
complex organic matter into inorganic substances?
a) Decomposers
b) Producers
c) Consumers
d) Herbivores
3. What is the process of break down complex organic matter into inorganic
substances called?
pg. 36
a) Organization
b) Decomposition
c) Production
d) Consumption
4. What are the complex organic remains such as dead animal remains, dead plant
remains, and fecal matter called?
a) Humus
b) Mucus
c) Excreta
d) Detritus
5. Which organisms carry out the fragmentation of detritus?
a) Sponges
b) Vertebrates
c) Detritivores
d) Zooplankton
Construct the food web from following?
1. Nutrients in soil
2. Decomposers Nutrients in soil
Decomposers
3. Dead bodies
4. Plants Plants Dead Bodies
5. Snails
Snails
6. Fishes
7. Birds
Fishes Birds
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