Parasitism

Q. The female mosquito is not considered a parasite, although it needs our blood for reproduction. Can you explain why?

Q. What do you mean by Obligate parasites ?

Q. Which adaptation of parasite has evolved to sustain their life in host body?

1. Loss of unnecessary sense organ
2. All the above
3. Loss of digestive system
4. Presence of adhesive organ or suckers to cling at the host

Q. Which of the following is a partial root parasite?

1. Sandal wood
2. Mistletoe
3. Orobanche
4. Ganoderma

Q.

Select the statement which best explains parasitism.

(a) One organism is benefited.

(b) Both the organisms are benefited.

(c) One organism is benefited, other is not affected.

(d) One organism is benefited, other is affected.

Q. Predation and parasitism are which type of interactions.

1. (+, -)
2. (+, 0)
3. (+, +)
4. (-, -)

Q.

Statement 1: Brood parasitism in birds is a fascinating example of parasitism.

Statement 2: The parasitic bird eats the eggs in the nest of its host.

1. Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

2. Statement 1 is correct and statement 2 is incorrect

3. Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.

4. Both statements 1 and 2 are incorrect.

Q. Regarding assertion and reason, select the right option.
Assertion [A]: Parasitism is almost similar to predation.
Reason [R]: Parasitism does not lead to the killing of an organism, but it does harm one of the organism that are involved in parasitic interaction.

1. Both A and R are correct and R explains A
2. Both A and R are correct and R does not explain A
3. A is correct and R is incorrect
4. Both A and R are incorrect

Q. Cowbirds lay their eggs in the nests of smaller birds. The fast-developing cowbird chicks hatch first, then push the other baby chicks out of the nest as they hatch. The cowbird is classified as

1. Parasite
2. Pathogen
3. Mutualist
4. Commensal

Q. The cuckoo lays egg in the nest of host, crow and lets the host incubate them. This type of parasitism is called .

1. brood parasitism
2. ectoparasitism
3. endoparasitism

Q. Find the odd one out with respect to parasitism

1. Lice
2. Plasmodium
3. Bedbug
4. Mite

Q. Which of the following is a partial root parasite?

1. Sandal wood
2. Mistletoe
3. Orobanche
4. Ganoderma

Q. Identify the protozoan which is not free living among the following.

1. Euglena
2. Amoeba
3. Noctiluca
4. Giardia

Q. Regarding assertion and reason, select the right option.
Assertion [A]: Parasitism is almost similar to predation.
Reason [R]: Parasitism does not lead to the killing of an organism, but it does harm one of the organism that are involved in parasitic interaction.

1. Both A and R are correct and R does not explain A
2. A is correct and R is incorrect
3. Both A and R are correct and R explains A
4. Both A and R are incorrect

Q.

Statement 1: Brood parasitism in birds is a fascinating example of parasitism.

Statement 2: The parasitic bird eats the eggs in the nest of its host.

1. Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

2. Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.

3. Statement 1 is correct and statement 2 is incorrect

4. Both statements 1 and 2 are incorrect.

Q. Malarial parasite is

1. Polygenetic
2. Monomorphic
3. Monogenetic
4. Digenetic

Q. Regarding assertion and reason, select the right option.
Assertion [A]: Parasitism is almost similar to predation.
Reason [R]: Parasitism does not lead to the killing of an organism, but it does harm one of the organism that are involved in parasitic interaction.

1. Both A and R are correct and R explains A
2. Both A and R are correct and R does not explain A
3. A is correct and R is incorrect
4. Both A and R are incorrect

Q. How would you differentiate between Culex and Anopheles mosquitoes pertaining to their :
(i) eggs,
(ii) larvae and
(iii) adults

Q. Name the type of interaction seen in each of the following examples.
Disappearance of smaller barnacles when Balanus dominated in the coast of Scotland.

Q. Which one of the following is categorized as a parasite, in the true sense?

1. The duck lays its egg in another duck's nest
2. Orchid growing on a tree
3. Fleas living on a dog
4. Fungus that infects an ant and eventually grow out of its exoskeleton

Q. Which one of the following is categorized as a parasite, in the true sense?

1. The duck lays its egg in another duck's nest
2. Orchid growing on a tree
3. Fleas living on a dog
4. Fungus that infects an ant and eventually grow out of its exoskeleton

Q.

Which one of the following is categorized as a parasite in true sense?

1. The cuckoo lays its egg in crow's nest

2. The female Anopheles bites and sucks blood from humans

3. Human foetus developing inside the uterus draws nourishment from the mother

4. Head louse living on the human scalp as well as laying eggs on human hair

Q.

The relationship between the two organisms when grown individually (Section P) and grown together

(Section Q) is shown in the graph. The relationship is most likely to be

1. commensalism

2. parasitism

3. mutualism

4. protocooperation