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BIO SCI

Total questions: 25

Worksheet time: 8mins

Name
Class
Date
1.

Human fertilization occurs in _______.

a)

Ovary

b)

Uterus

c)

Fallopian tube

d)

Vagina

2.

Rennin is a proteinase in the stomach of infants. What substance performs the function of rennin in adults?

a)

Bile

b)

Pepsin

c)

Steapsin

d)

Trypsin

3.

The human adult body has a total of ______ bones

a)

204

b)

205

c)

206

d)

207

4.

Penicillin comes from the green mold _______.

a)

Penicillium flavus

b)

Penicillium notatum

c)

Penicillium clavatus

d)

Penicillium Streptomyces

5.

What is the fundamental building blocks of protein

a)

a) Enzymes

b)

b) Nucleic Acids

c)

c) Carbohydrates

d)

d) Amino Acids

6.

Is a symbiotic relationship wherein organism is benefited and the other is harmed.

a)

Parasitism

b)

Predation

c)

Mutualism

d)

Commensalism

7.

A green praying-mantis will not be noticed among the green leaves of a riverside tree; but once it falls into the river, it would be easily preyed upon by birds, fishes, frogs, or other insects. What camouflage of concealing coloration is being described?

a)

Concealing

b)

Protective coloration

c)

Protective Resemblance

d)

Countershading

8.

Which of the following is the building block carbohydrate

a)

Fatty acid

b)

Amino acid

c)

Monosaccharide

d)

Nucleotide

9.

Which is the smallest unit of life that can survive and reproduce on its own

a)

Cell

b)

Organ

c)

Tissues

d)

Population

10.

Where does protein synthesis take place

a)

Lysosomes

b)

Ribosomes

c)

Endoplasmic reticulum

d)

Golgi bodies

11.

Which of the following organelles produces turbo pressure against cell wall and mainly acts as water reservoir?

a)

Vacuole

b)

Lysosomes

c)

Chloroplast

d)

Plastids

12.

What is the branch of zoology that is devoted to the study of fish

a)

Ichthyology

b)

Helmintology

c)

Chondrichthyes

d)

Ornithology

13.

What is the most abundant inorganic compound in the protoplasm

a)

Water

b)

Plasma

c)

Blood

d)

Fluid

14.

Which of the following is not considered as a reproductive cell

a)

Gamete

b)

Egg cell

c)

Somatic cell

d)

Sperm cell

15.

The cell wall of plant is made of

a)

Lipids

b)

Cellulose

c)

Protein

d)

Cell membrane

16.

Which of the following is made up of diploid number of cells

a)

Zygote

b)

Sperm cell

c)

Egg cell

d)

Both B and C

17.

Which of the following structures serve as a passageway of food and air

a)

Epiglottis

b)

Trachea

c)

Pharynx

d)

Larynx

18.

Which kind of relationship is exhibited by algae and fungi in lichen

a)

Commensalism

b)

Parasitism

c)

Symbiosis

d)

Competition

19.

What do you call the finger-like folds on the inner linings of the small intestine

a)

Villi

b)

Appendix

c)

Rugae

d)

Cecum

20.

Aside from ADP, what else is the end production of the dark-reaction phase of photosynthesis

a)

Carbon dioxide

b)

Sugar

c)

Carbon

d)

Starch

21.

What is that flap-like structure that prevents the food from going the wrong way during swallowing

a)

Epiglottis

b)

Larynx

c)

Esophagus

d)

Pharynx

22.

Which pigment is dominant in red algae

a)

Phycocyanin

b)

Fucoxanthin

c)

Chlorophyll

d)

Phycoerythrin

23.

What is the membrane that surrounds the lungs

a)

Pleura

b)

Meninges

c)

Peritoneum

d)

Pericardium

24.

What is the longest bone in the body

a)

Humerus

b)

Femur

c)

Tibia-fibula

d)

Clavicle

25.

Which hormone is insufficient in cretinism

a)

Glucagon

b)

Adrenalin

c)

Insulin

d)

Thyroxine