Revision For August exam(5A)

Revision For August 2021 exam (5A)

F4(c14&15)

F5(c1-9)

Multiple Choice

The diagram shows the carpel of a flowering plant. Parts C and D in the diagram are

• C = stigma, D = ovule

• C = ovule, D = stigma

• C = style, D = stigma

• C = stigma, D = style

Multiple Choice

Which one of the following is not part of a seed?

• plumule

• radicle

• zygote

• testa

Multiple Choice

Where does the pollen land

• Stigma

• Style

• Ovary

• Petal

Multiple Choice

The carpel is made of the

• Stigma & petals

• Stigma, style & ovary

• Filament & anther

• Petals

Multiple Choice

The stamen is made of the

• Anther & filament

• Anther & petal

• Fliament & ovary

• Ovary & style

Multiple Choice

Name the female part of the plant

• Anther

• Filament

• Petals

• Carpel

Multiple Choice

The directions of shoot tips depends on the _____________

• cells growth

• mineral salts

• light stimulus

• auxin concentration

Multiple Choice

Auxin influences ___________ growth

• The root

• The fruit

• The stem

• The shoot

Multiple Choice

Growth response is controlled by

• Cytokinin

• Ethylene

• Abscisic acid

• Auxin

Multiple Choice

Response that can be seen in carnivorous plant

• Nyctinasty

• Thermonasty

• Thigmonasty

• Seismonasty

Multiple Choice

Roots show_________when they grow away from poison

• Chemotropism

• Positive chemotropism

• Negative chemotropism

• Tropism

Multiple Choice

Plant shows positive tropism by coiling or wrapping around an object

• Geotropism

• Tropism

• Thigmotropism

• Plant response

Multiple Select

Characteristics of tropism

• The response is slow

• Not a growth response

• Permanent response

• The response is more apparent

Multiple Choice

What is the response of certain parts of plant such as roots and shoots that respond or away from a stimulus?

• Nastic response

• Phototropism response

• Tropism response

• Geotropism response

Multiple Choice

Which characteristic of leaves helps plants to optimise the process of photosynthesis?

• waterproof surfaces

• thick-skinned leaves

• broad and flat-shaped leaves

• yellow-coloured leaves

Multiple Choice

The opening and closing of stoma in leaves is controlled by the cell's

• turgor pressure

• osmotic pressure

• wall pressure

• hydrostatic pressure

Multiple Choice

Process X is the transport of organic substances from the leaves to the whole tissues in the plant.

What is process X?

• Transpiration

• Translocation

• Osmosis

• Capillary action

Multiple Choice

The diagram shows the feeding method of organism X.

What is the feeding method of organism X?

• Holozoic

• Parasitic

• Saprophytic

• Autotrophic

Multiple Choice

The diagram show a type of plant tissue.

What is the importance of the thickening of the cell wall by substance X?

• To transfer photosynthesis products

• To give turgidity to the tissue

• To transfer water and mineral salts

• To give support and mechanical strength

Multiple Choice

The diagram shows a three dimensional section of a dicotyledon stem. What are tissues found along X ---------- Y?

• Pith, xylem, cambium, phloem, cortex, epidermis

• Pith, phloem, cambium, xylem, cortex, epidermis

• Cortex, xylem, cambium, phloem, pith, epidermis

• Cortex, phloem, cambium, xylem, pith, epidermis

Multiple Choice

The following statements are about the rate of photosynthesis.

"The rate of photosynthesis increases when light intensity becomes higher. In some plants, the rate of photosynthesis decreases in the middle of a hot sunny day."

Which of the following explains the above statements?

• The palisade cells plasmolyse due to water loss

• The enzymes involved in photosynthesis are denature

• The stomatal pores close to reduce the loss of water from the leaves

• The chloroplasts in the palisade cells are destroyed by the heat

Multiple Choice

Diagram below shows an organelle in a plant cell.

In which structure, A, B, C or D does photolysis of water occur?

• A

• B

• C

• D

Multiple Choice

Diagram 19 shows water exudes from the special pore at the edge of leaves. What is the name of the process?

• Translocation

• Transpiration

• Guttation

• Root pressure

Multiple Choice

Diagram 18 shows a cross-section of the root of a dicotyledonous plant.

If the ring of the stem shown by shaded area A and B are being removed as in diagram (a) while diagram (b) shows the ringing of the bark, predict what would happen to the plants after a month?

• Translocation does not occur

• Transpiration does not occur

• Guttation does not occu

• Water flows is blocked

Multiple Choice

The following statements are the effects of mineral deficiency in a plant.

 Stunted growth

 Yellow patches on leaves (Chlorosis)

What is the mineral?

• Calcium

• Zinc

• Phosphorus

• Nitrogen

Multiple Choice

Which statement explains why plants are able to grow well in a green house?

• Increase the concentration of oxygen for photosynthesis to take place

• Decrease the light intensity which effect the rate of photosynthesis

• Concentration of carbon dioxide is fixed at 0.03% for photosynthesis to take place

• Increase in the temperature will affect the rate of photosynthesis

Multiple Choice

Which ions involves in the opening and closing of stomata?

• sodium ion

• chloride ion

• calcium ion

• potassium ion

Multiple Choice

Diagram 23 shows an aphid feeding from tissue X of a plant.

What is tissue X?

• Xylem

• Cortex

• Phloem

• Epidermis

Multiple Choice

Diagram 7 shows the graph of the relationship between absorption and release of carbon dioxide and light intensity. At which point is the absorption of carbon dioxide equals to the releases of carbon dioxide?

• A

• B

• C

• D

Multiple Choice

Diagram 5 shows a cross section of a leaf.

Why are cells X packed tightly together in an upright arrangement?

• to receive maximum amount of light

• to receive maximum amount of water

• to receive maximum amount of oxygen

• to receive maximum amount of carbon dioxide

Multiple Choice

Micronutrients are needed in small quantity by plant. Which of the following is micronutrient?

• Nitrogen

• Phosphorus

• Magnesium

• Manganese

Multiple Choice

If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of Glucose?

• Glucose production will increase.

• Glucose will not be produced.

• The rate of glucose production will decrease .

• Fewer glucose will be produced at first, but then the plant will recover.

Multiple Choice

What type of solutions would cause a guard cell to open?

• hypotonic
• hypertonic

Multiple Choice

What group of pigments break down later in the year and give leaves their orange, red, and yellow colors?

• carotenoids
• chlorophyll a
• chlorophyll b
• rhodopsin

Multiple Choice

What do the light reactions produce?

• ATP, NADPH, O₂
• H₂O, O₂, Glucose
• NADP⁺, ADP + P, O₂
• NADPH, H₂O, ATP

Multiple Choice

__________ is a stack of thylakoids

• Granum
• Stomata
• Stroma
• Chloroplast

Multiple Choice

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 

• The light-dependent stage
• The light-independent stage (The Calvin Cycle)
• The electron transport chain
• ATP formation

Multiple Choice

Where do the light-dependent reactions occur? 

• thylakoid membrane
• stroma
• mesophyll
• mitochondria

Multiple Choice

Which of the following is the correct equation for photosynthesis?

• light + carbon dioxide + water --> glucose + oxygen

• carbon dioxide + sugar + water --> oxygen + light

• oxygen + light + water --> carbon dioxide + sugar

• carbon dioxide + oxygen + water --> Light+ Sugar

Fill in the Blanks

Multiple Choice

The picture shows meristematic cells at the ..... tip

• shoot

• root

Multiple Choice

Which tissue provide flexibility and elasticity in plants

• parenchyma tissue

• sclerenchyma tissue

• xylem tissue

• collenchyma tissue

Multiple Choice

Which of the following is not a permanent tissue

• xylem

• collenchyma

• lateral meristem

• epidermal

Multiple Choice

The leaf has a shiny, waxy cuticle around it to

• increase the rate of photosynthesis

• control water loss

• attract more light

• stop carbon dioxide and oxygen gases escaping

Multiple Choice

Small openings called ______ are found on the underside of leaves and allow gases to enter or leave the plant cells.

• Phloem
• Chloroplasts
• Xylem
• Stomata

Multiple Choice

Which growth curve represents human?

Multiple Choice

Ecdysis is .............. metamorphosis.

• complete

• incomplete

Fill in the Blanks

Multiple Choice

*1 placenta shared with 2 foetus

*one sperm fertilises one ovum

*embryo divides into two

The above statement describes....

• Fraternal twins

• Identical twins

Multiple Select

The blood of the mother and the foetus do not mix as they are separated by a thin membrane.

• TRUE

• FALSE

Multiple Choice

If the ovaries are removed in the last four months of pregnancy, the miscarriage does not occur. What is the reason for this?

• After the fifth month, the ovaries can regenerate rapidly.

• The placenta produces sufficient hormones to sustain the pregnancy.

• The pituitary gland takes over the function of sustaining the pregnancy.

Multiple Select

Umbilical arteries carry ............. and.......... from foetus to the placenta.

• deoxygenated blood

• oxygenated blood

• nitrogenous waste such as urea

• nutrient

Multiple Select

The placenta also produces the human chorionic gonadotropin (HCG) hormone during pregnancy.

The main function of HCG is to ensure that the corpus luteum continues to secrete ........... and ........

in the early stages of pregnancy.

• oestrogen

• Folliclestimulating

  hormone (FSH)

• progesterone

• Luteinizing

  hormone (LH)

Multiple Choice

The diagram shows the female reproductive system. Which structures do K and L identify?

• K: endometrium L: uterine wall

• K: placenta L: endometrium

• K: amnion L: placenta

• K: fetus L: uterine wall

Multiple Choice

The ........... will then implant in the endometrium.

• blastocyst

• embryo

• morula

Multiple Choice

A mature Graafian follicle will approach the surface of the ovary and release a secondary oocyte into the Fallopian tube. This process is called ovulation.

Which hormone will increase for the above event?

• Folliclestimulating

  hormone (FSH)

• Luteinizing

  hormone (LH)

Multiple Select

Oogenesis is the process of secondary oocyte or female gamete production . This process takes place in the ovaries. Unlike spermatogenesis, oogenesis begins in a female’s ovaries

before they are born.

Choose the correct statements that describe oogenesis before birth.

• Primordial germ cells undergo repeated mitotic division to form oogonium

• Oogonium develops into primary oocyte

• Oogonium is encapsulated forming primary follicles

Multiple Choice

Through what process does a spermatid become a functioning spermatozoan?

• Mitosis

• Differentiation

• Fertilization

• Meiosis

Multiple Select

primary spermatocytes are diploid whereas secondary spermatocytes are haploid.

• TRUE

• FALSE

Multiple Choice

The diagram shows a section through the seminiferous tubules. What is the cell labelled X?

• Spermatid that will differentiate into sperm

• Primary spermatocyte that will undergo meiosis to form secondary spermatocytes

• Sertoli cell that provides nutrients

Sexual Reproduction, Development and Growth in Humans and Animals

Multiple Choice

The picture shows the hind leg of the locust straightens and catapult or eject the locust forward and up into the air.

This due to....

• Flexor contracts

• Extensor contracts

Multiple Select

When the a part of the body of an earthworm becomes shorter and thicker, the......

• Posterior longitudinal muscle contracts

• Posterior longitudinal muscle relax

• Circular muscle contracts

• Circular muscle relax

Multiple Select

The picture is showing upstroke movement of the eagle's wing.

Choose the correct descriptions for the situation.

• Pectoralis major contracts

• Pectoralis major relaxes

• Pectoralis minor contracts

• Pectoralis minor relaxes

Multiple Choice

When the fish tail whipped to the right, myotome on the right side of the fish body will....

• contract

• relax

Multiple Choice

Diagram below shows a straightened leg.

Which of the following muscle actions will bend the leg?

• Quadriceps femoris: Contracts

  Biceps femoris: Contracts

• Quadriceps femoris: Contracts

  Biceps femoris: Relaxes

• Quadriceps femoris: Relaxes

  Biceps femoris: Contracts

• Quadriceps femoris: Relaxes

  Biceps femoris: Relaxes

Multiple Choice

Diagram below shows part of the human arm.

Name structure X.

What happen to Y and Z when the arm straightens?

• X: Tendon Y: Contract Z: Relaxed

• X: Ligament Y: Contract Z: Relaxed

• X: Tendon Y: Relaxed Z: Contract

• X: Ligament Y: Relaxed Z: Contract

Multiple Choice

Diagram below shows a pectoral girdle.

Which tissue connects P and Q?

• Bone

• Tendon

• Muscle

• Ligament

Multiple Choice

Diagram shows part of human skeleton.

Which part form ball-and-socket joint?

• R and T

• S and U

• R and V

• V and U

Multiple Choice

Diagram below shows a human lumbar vertebrae. what is the function of Z?

• Protect the spinal cord

• Articulate with the skull

• Attachment sites for muscle and ligaments

• Bear the weight of the lower back of the body

Multiple Choice

Diagram below shows three types of vertebrae on the human backbone. Which of the following is the correct sequence of the vertebrae arrangement?

• Y, Z , X

• X, Y , Z

• Y, X, Z

• Z, X, Y

Multiple Choice

Diagram below shows the arm bones and the position of triceps muscle. Name bones M and N.

• M: Humerus N: Radius

• M: Ulna N: Radius

• M: Radius N: Humerus

• M: Scapula N: Humerus

Multiple Choice

Diagram below shows a human skeleton. Which bones, A, B, C or D forms a part of the axial skeleton?

• A

• B

• C

• D

F4:c14 Support & movement in Humans and Animals