Biology Quiz for Grade 11

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Evaluation Question Of Biology For Grade 11

I. Choice only the correct answer for each question.

_______1. Which of the following technology devise is used for investigating information on diseases or cancerous

areas of the human body.

A. Computer Information Technology Scanning (CITS)

B. Computed Tomography scan (CT scan)

C. Positron Emission Tomography (PET scan) D. None of the above.

_______2. Which one of the following is/are not the Impacts of biology on the society and the natural world?

A. Ensuring food security as a result of an increase in productivity

B. Medicine and disease treatments have resulted in improved health and longevity.

C. Biochemical agents, pesticides, and fertilizers cause toxicity and biohazards.

D. An increase in industrial production due to microbial action

_______3. Which of the technological tools is a scientific discipline involving computer technology to collect, store,

analyze, and disseminate biological data and information (DNA and amino acid sequences).

A. Bioinformatics B. Biomedical

C. Biophysical D. Biogeographical

_______4. All the following animals are categorised under poikilothermic (cold-blooded) animals except?

A. Fish B. Reptiles C. Amphibians D. Birds

_______5. Which one of the following animal are not Invertebrate animals?

A. arthropoda B. Mammals C. Annelida D. Mollusca.

_______6. Which statements are correct about the characteristics of Invertebrate animals?

A. Animals lack a rigid internal skeletal system. B. Animals that do not have a backbone.

C. Many invertebrates are soft-bodied.some of them are an exoskeleton

D. All are correct answers.

_______7. What is the primary characteristic of vertebrates?

A. Cold-blooded B. Backbone

C. Single-cell organisms D. Exoskeleton

_______8. What do we call the group of animals with a backbone?

A. Vertebrates B. Invertebrates C. Insects D. Mammals

_______9. Which of the following is the characteristics of birds?

A. They have 4 legs. B. They breathe by lungs.

C. They reproduce by giving birth. D. They are cold-blooded animals.

_______10. What type of skeletal structure do humans possess?

A. Hydrostatic skeleton B. Exoskeleton

C. Endoskeleton D. No skeleton

_______11. What is the key evolutionary advantage of having a vertebral column?

A. Improved digestion B. Enhanced reproduction

C. Increased mobility D. Better camouflage

_______12. Which one is the correct order of a frog life cycle?

A. Eggs, Tadpole, Froglet, Frog B. Eggs, Froglet, Tadpole, Frog

C. Froglet, Frog, Tadpole, Eggs D. Froglet, Eggs, Tadpole, Frog

_______13. After a frog egg hatches, what is animal called?

A. Eggs B. Tadpole C. Froglet D. Frog

_______14. What organ does an adult frog use to breathe?

A. Gill B. Spiracles C. Lungs D. Heart

_______15. There are __________stages of the life cycle of a frog.

A. 2 B. 3 C. 4 D. 5

_______16. Which of the following is the correct life cycle of a bee?

A. Egg, pupa, larva, adult B. Egg, larva, pupa, adult

C. Queen, drone, worker D. B and C are correct answer.

_______17. Which of the following parts of the oviducts is/are correctly not match with their function?

A. Vagina: A funnel-shaped upper portion of the oviduct .

B. Magnum: Secretion of albumen

C. Isthmus: Formation of shell membrane

D. Uterus: Formation of eggshell

_______18. What is/are the role of insects in increasing agricultural productivity

A. Pollinators B. Pest regulation

C. Soil aeration/decomposition D. All are correct answer.

_______19. Insects are considered to be harmful for humans and other organisms by,

A. Damaging crop plant. B. Transmitting disease.

C. Air pollution/climate change D. All are correct answers

_______20. Which of the following involves trial and error learning ?

A. Operant conditioning B. Habituation C. Sensitization D. Classical conditioning

_______21. Baby ostriches tend to following the first moving object that they see as they hatch out of the eggs.

What kind of animal behavior does this demonstrate?

A. Positive taxis C. positive kinesis

B. innate behavior D. learned behavior

_______22. Which of the following is NOT true about instinctive behavior ?

A.It can be developed further trough learning. B.It is triggered by a key stimulus

C. It has a fixed action pattern. D. It is adaptive for the species

_______23. Suppose when you first enter a room you notice an unpleasant smell which you eventually forget about

its presence , what is this behavior called ?

A. latent learning C. Habituation

B. insight learning D. operant conditioning

_______24. Which one of the following is an example of an orientational innate behavior ?

A.Kineses in woodlice B. Blinking of the eyes

C. Sudden withdrawal of limbs from hot object. D. Nest building by weaver birds

_______25. Which of the following is NOT true about innate behaviors ?

A. can be improved by trial and error C. Present at birth or on hatching

B. Common to all members of the species D. Do not have to be learned

_______26. If someone suddenly removes his/her hand from a very hot object, which of the following types of

behavior is manifested?

A. Reflex action B. Imprinting C. Learned behavior D. Sensitization

_______27. Which one of the following is incorrectly match animal behaviours with their meaning.

A. Innate behavior is determined by genes and independent of experience and specific to a species.

B. A simple reflex action is a sudden, involuntary response to stimuli.

C. Taxis is the orientation of an animal(directed either towards or away)in response to the source of

stimulus.

D. Kinesis is undirected, random movement. Kinesis is a type of locomotory behavior in relation to the

source of stimulus. E. All are correctly matched.

_______28.Which of the following is responsible for the bending of a young plant towards a unidirectional source

of light ?

A. Reduced photosynthesis on dark side C. Reduced auxin concentration on dark side

B. Faster growth rate on the dark side D. Increased rate of cell division on the light side

_______29. Which of the following is a learned behavior ?

A. Suckling of then wborn at mother’s breasts

B. Salivation by conditioned dogs at the sound of a bell

C. Withdrawal of hands suddenly from hot objects

D. Blinking the eyes when something gets in to them

_______30. What is primary role of insulin in blood sugar homeostasis?

A. To increase blood sugar levels. B. To decrease blood sugar levels

C. To convert glucose in to fat. D. To maintain constant blood sugar levels with out change.

______31. Osmoregulation happen when organisms regulate

A. Temperature B. Blood glucose C. Oxygen D. Water and Solutes

______32. What appropriate feature of vertabrate mammals?

A. Cold-blooded(poikilothermic) C. Lays eggs with a shell.

B. Covered with scales. D. Undergoes internal fertilisation

______33. Which is/are not appropriate feature of vertabrate bird?

A. Cold-blooded(poikilothermic) C. Lays eggs with a shell.

B. Breathe through lungs D. Undergoes internal fertilisation

______34. What is osmoregulation?

A. Control of water and salt in the body. B. Control of blood pressure in the body.

C. Control of blood glucose in the body. D. All are correct answerh

______35. Why is osmoregulation so important?

A. Water give support and is an important transport medium.

B. It hydrate the body C. It regulate hormone secretion. D. None of the above.

______36. Maintaining stable internal condition despite changes in the external environment.

A. Metabolism B. Homeostasis C. Adaptation D. Protein synthesis

______37. Homeostatic mechanism is/are

A. Keeping living system at static point. B. Usually operate by positive feedback.

C. Allow organisms to operate under extreme conditions.

D. Help to keep a relatively constant internal environment in organisms.

______38. Which of these conditions indicate positive feedback has occurred ?

A. The production of a particular product continues its production.

B. The production of a particular product stops its production.

C. Sweet evaporates from a person's skin. D. All are correct answers

______39. Which of these conditions indicate negative feedback has occurred ?

A. The production of a particular product continues its production.

B. The production of a particular product stops its production.

C. Sweet evaporates from a person's skin. D. All are correct answers

______40.In the classical conditioning experiment performed by pavolv on dogs, which of the following

alternatives is the unconditioned stimulus?

A. The sound of the bell C. The salivation at the sound of the bell

B. The smell of the food D. The salivation at the smell of the food

______41. Thermoregulation happen when organisms regulate

A. Temperature B. Blood glucose C. Oxygen and carbon dioxide D. Water and Solute

______42. Which part of feedbacks loop is a body part that makes a change to bring the system back to

homeostasis A. Effector B. Control center C. Response D. Receptor ______43. Which of the following is NOT an example of homeostasis?

A. Human producing gametes. B. A plant bending to ward sunlight.

C. A bird drinking water when thirsty. D. A dog stealing chicken off the kitchen counter when hungry.

______44. Which of the following types of movements in response to a stimulus has no specific direction?

A. Taxis B. Kinesis C. Gravitropism D. Phototropism

______45. What detects a signal from an other body part that the system is outside of homeostasis and

adjustments need to be made? A. Effector B. Control center C. Response D. Receptor

______46. When blood glucose levels get too high, the pancreas stimulates the release of

A. Glucose B. Glycogen C. Insulin D. Glucagon

______47. ________ is the study of animals in relation to their evolution, anatomy, physiology, behavior, habitats and

health. A. Biology B. Technology C. Zoology D. Archeology

______48. The body part that senses the change inside the organisms.

A. Effector B. Control center C. Response D. Receptor

______49. Amphibians spend part of their life in water and next part on land.

A. True B. False

______50. Cnidarians are invertebrates with spores all over their body.

A. False B. True

II. Short answer: Write the correct answer depend on a given question.

1. What is the significance of the difference between monogamous and polygamous species in birds?

2. What advancements or adaptations do crocodiles’ reproductive systems have over frogs?

3. Least the role of insects in industry.

4. What are the behavioral patterns of animals?explain with example. (Refer answer from TB)