Question Library — KalmiPrep by Kalmitech

Biology WAEC / WASSCE 2015 Adaptation & Evolution

In explaining the term camouflage, to a class, the diagram above show four varieties, P, Q, R, and S of the same species of fish living amongst water plants in a river were used Which of the varieties is likely to decrease most in number if a predatory fish is introduced into the river?

Attached Figure / Diagram

A

P

B

Q

C

R

D

S

medium Difficulty

Biology WAEC / WASSCE 2015 Variety of Organisms & Classification of Living Things

The diagram above is illustration of a crocodile. Use it to answer this question. Which of the labelled parts enable the animal to stay under water most of the time?

Attached Figure / Diagram

A

I, IV and V

B

I, II and V

C

I, III and IV

D

III, IV and V

medium Difficulty

Biology WAEC / WASSCE 2015 Variety of Organisms & Classification of Living Things

The diagram above is illustration of a crocodile. Use it to answer this question. Two characteristic features of the class to which the crocodile belongs are labelled

Attached Figure / Diagram

A

I and II

B

III and IV

C

II and IV

D

II and V

medium Difficulty

Biology WAEC / WASSCE 2015 Variety of Organisms & Classification of Living Things

The following organisms have structures for movement except

A

Amoeba

B

Spirogyra

C

Volvox

D

Paramecium

medium Difficulty

Biology WAEC / WASSCE 2015 Cell Structure, Organization & Cell Division

Which of the following statements about protoplasm of a cell is not correct? It

A

comprises of the nucleus

B

consists of the cytoplasm

C

comprises of the cell organelles

D

consists the nucleus only

medium Difficulty

Biology WAEC / WASSCE 2015 Adaptation & Evolution

In explaining the term camouflage, to a class, the diagram above show four varieties, P, Q, R, and S of the same species of fish living amongst water plants in a river were used Which of the varieties is most likely to outlive the others?

Attached Figure / Diagram

A

P

B

Q

C

R

D

S

medium Difficulty

Biology WAEC / WASSCE 2015 Variety of Organisms & Classification of Living Things

The variety P,Q,R and S Outlive the others because the

Attached Figure / Diagram

A

variety is the most beautiful

B

variety does not have markings

C

markings of the variety are similar to those of the environment

D

predator does not like eating the variety

medium Difficulty

Biology WAEC / WASSCE 2015 Supporting Tissues & Skeletal System

The diagram above illustrates a part of the mammalian skeleton . use it to answer this this question The part of the skeleton illustrated in the diagram is the

Attached Figure / Diagram

A

atlas vertebrae

B

axis vertebrae

C

cervical vertebrae

D

thoraeic vertebrae

medium Difficulty

Biology WAEC / WASSCE 2015 Nervous, Hormonal Coordination & Sense Organs

The diagram above illustrates a part of the mammalian skeleton . use it to answer this this question The function of the part lebelled I is to

Attached Figure / Diagram

A

provide support to the spinal cord

B

provide surface for attachment of the muscle

C

carry the spinal cord

D

articulate with adjacent vertebrae

medium Difficulty

Biology WAEC / WASSCE 2015 Variety of Organisms & Classification of Living Things

The following diagram above show the sequence of events in early cell division. Study the diagram and answer the question. In which of the following cells is this divisin likely to take plce?

Attached Figure / Diagram

A

Sperm cell

B

Blood cell

C

Muscle cell

D

Uterine cell

medium Difficulty

Biology WAEC / WASSCE 2015 Excretion & Homeostasis

(a) Explain briefly sexual reproduction in Rhizopus. (b) A student suddenly stepped on a big snake, he cried for help and ran away. (i) Name the hormone produced in the body for the reaction. (ii) In which part of the human body is the hormone named in (b) (i) produced? (iii) State five changes that must have taken place as a result of the hormone named in (a) (i). (c) (i) In tabular form, state three differences between excretion in flowering plants and excretion in humans, (ii) List two organelles found in plant cell that are responsible for the excretion of metabolic wastes.

medium Difficulty

Biology WAEC / WASSCE 2015 Nutrition in Plants & Animals (Photosynthesis & Food Substances)

(a) Explain how the leaf of a flowering plant is adapted for photosynthesis. (b) Describe briefly the mode of feeding in tapeworm. (c) Name one mineral element each needed for the proper functioning of : (i) bones (ii) red blood cells (iii) thyroid gland. (d)(i) State three benefits of including roughages in the diet of humans. (ii) State three reasons why proteins are important to humans.

medium Difficulty

Biology WAEC / WASSCE 2015 Population Ecology, Habitats & Conservation

(a)(i) What is sewage? (ii) State five effects of releasing untreated sewage into a stagnant water body. (b) Explain surface terracing as a soil conservation method. (c) Explain the term adaptation. (d) Explain two ways each by which the following organisms adapt to their habitats: (i) hydrophytes (ii) xerophytes.

medium Difficulty

Biology UTME / JAMB 2015 Digestive System & Feeding Mechanisms

Enzyme ptyalin acts on starch in the

A

oesophagus

B

large intestine

C

mouth

D

stomach

medium Difficulty

Biology WAEC / WASSCE 2015 Reproduction in Plants & Animals

Study specimens T, V and W carefully and use them to answer questions 4(a) to 4(d) (a) Classify Specimen T,V and W according to the following criteria: (i) Agricultural classification: (ii) Life cycle. (b) State two ways in which specimen W is important to human nutrition. (c) With a scalpel or knife, make a cross Section of specimen T. (ii) What type of placentation is observed in the cut section of specimen T? Name one example of a fruit with similar placentation as observed in the cut section of specimen T. Make a drawing 10 cm - 12 cm long of the transverse section and label fully. (d) Make a transverse section of Specimen V and state: (i) Three Observable differences; (ii) Three observable similarities; between the transverse section of specimen T and V. Study specimen Xi and Xii and use them to answer question 4 (e) (i) to 4 (e) (ii) (e) Carefully remove the bark of specimen Xi to expose the naked part. (i) State two observable differences between Specimen Xi and Xii. (ii) If Xi and Xii are planted, what difference will be noticed after a month? State one reason for the answer in 4 (e)(ii)

medium Difficulty