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8th topic 1

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

The ______ is the ripened ovary and other structures of an angiosperm enclosing one or more seeds.

a)

fruit

b)

seed

c)

flower

d)

pistil

2.

___________ occurs when the embryo sprouts out of the seed.

a)

Germination

b)

Firtilization

c)

Pollenation

d)

Zygote

3.

A reproductive process that only involves one parent and creates offspring identical to the parent is _______ ____________.

a)

asexual reproduction

b)

sexual reproduction

c)

budding

d)

grafting

4.

A ______ is a sequence of DNA that determines a trait and is passed from parent to offspring.

a)

gene

b)

trait

c)

genetics

d)

allele

5.

___________ is the regular, seasonal journey of an animal from one place to another and back again.

a)

Migration

b)

Pollenation

c)

Germination

d)

Fertilizations

6.

A(n) _______ is a different form of the same gene.

a)

allele

b)

trait

c)

gene

d)

parent

7.

________ are the reproductive structures of gymnosperms.

a)

Cones

b)

Flowers

c)

Spores

d)

Anthers

8.

A(n) __________ is a response to a stimulus inborn and that an animal performs perfectly the first time.

a)

instinct

b)

external factor

c)

migration

d)

parental care

9.

___________ is a major body change as animals grow and develop into adults.

a)

Metamorphasis

b)

Migration

c)

Growing

d)

Instinct

10.

A plant’s response to seasonal changes in the length of night and day is called _____________.

a)

Photoperiodism

b)

Phototropism

c)

Gravitropism

d)

Thigmotropism

11.

_________ is a period when an organism’s growth and development stops.

a)

Dormancy

b)

Metamophasis

c)

Photoperiodism

d)

Winter

12.

A plant’s response to grow toward or away from is stimulus is called a _________.

a)

tropism

b)

instinct

c)

behavior

d)

environmental factor