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Lawankunu bio

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

One of the disadvantages of propagation by _____ is that the diseases of stock is manifested on the offspring.

a)

seed

b)

creed

c)

craft

d)

vegetative organ

2.

Which of the following hormones contains iodine?

a)

Thyroxine

b)

Testosterone

c)

Insulin

d)

Adrenaline

3.

Contraction of the heart is referred to as

a)

Diastole

b)

Systole

c)

Peristalsis

d)

Lub

4.

The transfer of pollen from anther to stigma is

a)

Circulation

b)

Fertilization

c)

Pollination

d)

Parthenocarpy

5.

In female cockroach, sperms are stored in the

a)

Seminal vessicle

b)

Spermatheca

c)

Ejaculatory duct

d)

Vagina

6.

If water that has been coloured red is poured at the base of a wilting plant, it will appear as

a red stain in the cells of the

a)

phloem

b)

parenchyma

c)

xylem

d)

epidermis

7.

In male mammal, sperms are formed in the..............

a)

scrotal sac

b)

seminal vesicle

c)

cowper's gland

d)

vas deferens

8.

What is the slowest enzyme?

a)

pepsin

b)

lysozyme

c)

amylase

d)

lipase

9.

Large number of organisms are produced by

a)

Sexual reproduction

b)

Asexual reproduction

c)

Both

d)

None

10.

Which of the following has a bilaterally symmetrical body plan

a)

Nereis

b)

Euchinus

c)

Sea anemone

d)

Asterias

11.

What are Diatoms?

a)

Fungi

b)

Plants

c)

Protist

d)

Algae

12.

The group of virus which consist of only RNA called

a)

Bacteriophage

b)

Small pox

c)

Retrovirus

d)

All

13.

Corona virus consist of ......

a)

DNA

b)

RNA

c)

DNA and RNA

d)

mRNA

14.

Ovules are not protected by ovary wall in

a)

Rose

b)

Cycas

c)

Petunia

d)

Eucalyptus

15.

The capability of a isolated single cell to develop into a complete plant is known as

a)

Apomixis

b)

Parthenogenesis

c)

Totipotency

d)

Somatic hybridization

16.

A piece of DNA molecule that can serve as a carrier for the genes to be cloned is called

a)

Virus

b)

Vector

c)

Viroid

d)

Mycoplasma

17.

Which is the smallest bone in mammals

a)

Patella

b)

Carpals

c)

Incus

d)

Stapes

18.

Ammonia is the main nitrogenous excretory material in

a)

Amphibians

b)

Turtles

c)

Tadpoles

d)

Reptiles

19.

Jellyfish belongs to which phylum

a)

Porifera

b)

Cnidaria

c)

Nematoda

d)

Mollusca

20.

Which one is the largest animal phylum

a)

Arthropod

b)

Mollusca

c)

Chordata

d)

Annelida