Select Question Set:
Q. No.Study the Assertion statement followed by the Reason statement given below:
Assertion: The digestive system in Platyhelminthes is called incomplete.
Reason: Platyhelminthes are mostly endoparasites found in animals including human beings.
1. Assertion (A) is true and Reason (R) is false.
2. Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
3. Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
4. Assertion (A) is false and Reason (R) is true.
Subtopic: Phylum Ctenophora & Platyhelminthes |
67%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Notochord is:
I. an endodermally derived rod-like structure.
II. formed on the dorsal side during embryonic
development in some animals.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I. an endodermally derived rod-like structure.
II. formed on the dorsal side during embryonic
development in some animals.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Phylum Chordata |
70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Aschelminthes are:
1. radially symmetrical, triploblastic and pseudocoelomate animals.
2. bilaterally symmetrical, triploblastic and acoelomate animals.
3. bilaterally symmetrical, triploblastic and pseudocoelomate animals.
4. radially symmetrical, diploblastic and eucoelomate animals.
1. radially symmetrical, triploblastic and pseudocoelomate animals.
2. bilaterally symmetrical, triploblastic and acoelomate animals.
3. bilaterally symmetrical, triploblastic and pseudocoelomate animals.
4. radially symmetrical, diploblastic and eucoelomate animals.
Subtopic: Phylum Ctenophora & Platyhelminthes |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The type of circulatory system in which the blood is pumped out of the heart and the cells and tissues are directly bathed in it is found in all the following except:
1. Arthropods
2. Hemichordates
3. Most molluscs
4. Annelids
1. Arthropods
2. Hemichordates
3. Most molluscs
4. Annelids
Subtopic: Basis of Classification |
66%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Members of Phylum Platyhelminthes typically have bodies that are ____ compressed.
1. dorso-laterally
2. bilaterally
3. ventro-laterally
4. dorso-ventrally
1. dorso-laterally
2. bilaterally
3. ventro-laterally
4. dorso-ventrally
Subtopic: Phylum Ctenophora & Platyhelminthes |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
How many of the given statements regarding members of Porifera are correct?
1. 2
2. 3
3. 4
4. 5
| I: | They are exclusively marine. |
| II: | They have cellular level of organisation. |
| III: | They have a water vascular system with tube feet. |
| IV: | Digestion is intracellular. |
| V: | Fertilisation is external and development is direct. |
1. 2
2. 3
3. 4
4. 5
Subtopic: Phylum Porifera |
59%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Branchiostoma | P | Notochord persisting in adult |
| B | Ascidia | Q | Notochord present only in larval tail |
| C | Pristis | R | Cartilaginous endoskeleton |
| D | Catla | S | Bone endoskeleton |
Codes:
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | P | Q | S | R |
| 3. | Q | P | R | S |
| 4. | Q | P | S | R |
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Cyclostomes:
I: are marine but migrate for spawning to fresh water.
II: die within a few days of spawning.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: are marine but migrate for spawning to fresh water.
II: die within a few days of spawning.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Phylum Chordata |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A water vascular system is characteristically seen in the members of Phylum:
1. Porifera
2. Echinodermata
3. Ctenophora
4. Mollusca
1. Porifera
2. Echinodermata
3. Ctenophora
4. Mollusca
Subtopic: Phylum Echinodermata |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The cell shown in the given figure defines animals belonging to:
1. Porifera
2. Cnidaria
3. Platyhelminthes
4. Urochordates
1. Porifera
2. Cnidaria
3. Platyhelminthes
4. Urochordates
Subtopic: Phylum Coelenterata |
95%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.