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Earth & Life Science, Quarter 2 Summative Test 2

Total questions: 20

Worksheet time: 2mins

Name
Class
Date
1.

The carpel or the female reproductive organ has the following structures except,

a)

stigma

b)

style

c)

pollen

d)

ovary

2.

The reproductive organs of the plant are inside the:

a)

stem

b)

roots

c)

flower

d)

leaves

3.

In the male part of the plant, the stamen is made up of the:

a)

stigma and style

b)

filament and stigma

c)

anther and stigma

d)

filament and anther

4.

Which of the following are ways plant seeds are dispersed?

a)

by the wind

b)

by being eaten by animals

c)

by floating away in water

d)

all of the above

5.

The transfer of pollen grains from the anther of one plant to the stigma of another plants is called _______.

a)

Self-Pollination

b)

Cross Pollination

c)

Vegetative Propagation

d)

Double Fertilization

6.

The choices below are the advantages of asexual reproduction except,

a)

Cannot be dispersed long distances

b)

No need for pollinator

c)

Can grow rapidly in a stable environment

d)

Energy economical

7.

What method of animal reproduction involves development of a female (rarely a male) gamete (sex cell) without undergoing fertilization?

a)

Budding

b)

Fragmentation

c)

Binary Fission

d)

Parthenogenesis

8.

Sexual reproduction is the process of joining the haploid gametes (sex cells) to form a diploid cell called a ________.

a)

Embryo

b)

Sperm Cells

c)

Zygote

d)

Egg Cells

9.

Female gamete: egg cell Male gamete : _______________

a)

Embryo

b)

Sperm Cells

c)

Zygote

d)

Egg Cells

10.

What type of reproduction that involves two organisms of the same species with similar appearance but have different biochemical composition?

a)

Conjugation

b)

Syngamy

c)

Binary Fission

d)

Parthenogenesis

11.

It is the process in which genetic material is transferred from one organism to another.

a)

Genetic Mutation

b)

Transcription

c)

Genetic Engineering

d)

Translation

12.

GMO means ___________.

a)

Genetically Material Organism

b)

Genetically Modified Organism

c)

Generally Modified Organism

d)

Generally Material Organism

13.

What are the base-pairing rules for DNA?

a)

A-G, T-C

b)

A-C, T-G

c)

A-T, G-C

d)

C-G, T-G

14.

The stage when RNA is transformed into a chain of amino acids.

a)

Transcription

b)

Termination

c)

Translation

d)

Initiation

15.

A group of molecules that is responsible for carrying and transmitting the hereditary materials from parents to offspring.

a)

RNA

b)

DNA

c)

Protein

d)

Amino Acid

16.

During this stage, the cell produces a copy of its DNA.

a)

Transcription

b)

Termination

c)

Translation

d)

Initiation

17.

An inherited disorder that builds up an amino acid called phenylalanine in the body.

a)

Down Syndrome

b)

Duchenne Muscular Dystrophy

c)

Hemophilia

d)

Phenylketonuria

18.

Genetic modification can be completed by a number of different methods except,

a)

Removal of genes

b)

Inserting new genetic material

c)

Sexual reproduction

d)

Mutation of existing genes

19.

Which among the choices below states the advantage of genetic engineering?

a)

Drought/freeze resistant

b)

Increased use of pesticide

c)

Seed and pollen drift

d)

Allergic reaction

20.

All the choice below are risks of using GMOs except,

a)

Food allergy

b)

Decreased nutritional value

c)

Long-term effect

d)

Increased nutritional value