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Worksheets

Semester Biology

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.

_______is the knowledge obtained by natural events.

a)

Science

b)

Biology

c)

Anatomy

2.

Which part of photosynthesis produces sugar?

a)

Krebs citric cycle

b)

Calvin cycle

c)

Calvin-Benson cycle

3.

An ________ is any individual living thing.

a)

organelle

b)

organism

c)

cell

4.

Different types of atoms of the same element are called

a)

neutron

b)

proton

c)

isotopes

5.

________is the maintenance of constant internal condition in an organism

a)

Homeostasis

b)

cohesion

c)

molecule

6.

An_______is a community of organisms

a)

DNA

b)

ecosystem

c)

system

7.

What supplies energy to the cell and is a bean shaped?

a)

Chloroplast

b)

mitochondria

c)

Golgi apparatus

8.

_________is life science

a)

Biology

b)

Pathology

c)

Earth

9.

They are referred to as covalent bonds form between different amino acids to form proteins.

a)

ionic bond

b)

covalent bond

c)

peptide bonds

10.

The variety of organism in a given area is called

a)

species

b)

biodiversity

c)

biosphere

11.

The basic structure of a nucleic acid chain is

a)

nucleotides

b)

metabolism

c)

adaptation

12.

What is the abundant substance in living cells?

a)

sugar

b)

energy

c)

water

13.

What % of fats in the human body are triacylglycerol?

a)

10%

b)

95%

c)

133%

14.

Is a jellylike substance that contains dissolved molecular building block?

a)

cytoplasm

b)

Flagella

c)

vesicles

15.

What carrie a neutral charge?

a)

proton

b)

electron

c)

neutron

16.

A special kind of diffusion.

a)

passive transport

b)

facilitated diffusion

c)

osmosis

17.

What year did Melvin Calvin won the Nobel Peace Prize?

a)

1861

b)

1952

c)

1961

18.

Who was Melvin Calvin colleague?

a)

Jan Baptista Van Helmont

b)

A.A. Benson

c)

Tupac

19.

Name 3 things critical to life.

a)

water, earth wind

b)

energy, sunlight, sugar

c)

energy, oxygen, sugar

20.

Acronym for adenosine triphosphate

a)

NADPH

b)

ADP

c)

ATP

21.

What is the movement of molecules across a cell membrane without energy input from the cell?

a)

passive diffusion

b)

osmosis

c)

adaptation

22.

________are organelle that carry out photosynthesis

a)

Pigments

b)

Chloroplast

c)

Sunlight

23.

What is another type of building block besides glycerol?

a)

ATP

b)

ADP

c)

fatty acid

24.

What is the product in this equation: 6CO2 + 6H2O -> C6H12O6 + 6O2

a)

Carbon dioxide and water

b)

Sugar and oxygen

c)

oxygen and water

25.

What is the reactant of this equation: C6H12O6 + 6O2 -> 6CO2 + H2O

a)

water and oxygen

b)

sugar and oxygen

c)

sugar and carbon dioxide