Invertebrate Diversity Past Papers


Subject: Zoology-I (Invertebrate Diversity)

Time Allowed: 15 Minutes

Max Marks: 10

NOTE: Attempt this Paper on this Question Sheet only. Please encircle the correct option. Division of marks is given in front of each question. This Paper will be collected back after expiry of time limit mentioned above.


Part-I Encircle the right answer, cutting and overwriting are not allowed. (10)

One of the simplest and the most common form of asexual reproduction is

Budding c. Multiple fission

Binary fission d. Schizogony

2. Lobsters belong to class

Branchiopoda c. Arachnida

Copepoda d. Malostraca

3. Tapeworms are.

monoecious c. dioecious

parthenogenetic d. Asexual

4. The percentage of all plant species, pollinated by insects is .

45% c. 55%

65% d. 75%

5. The fluid filled, intracellular capsule enclosing a coiled hollow tube used for defense and feeding in cnidarians is called

Nematocyst c. Cnidocyte

Cnidoblast d.Mesoglea

6. The length of most polychaetes is between

5 to 10cm c. 2to 10cm

10 to 15cm d. 2to8cm

7. The two breaks in a chromosome, followed by the broken ends rejoining with the central segment flip flopped is called

Deletion c. Inversion

Translocation d. Duplication

8. Some of the oldest known fossils of eukaryotic organisms are

Heliozoans c. Radiolarians

Foraminiferans d. Dinoflagellates

9. Down Syndrome is a chromosomal nondisjunction of

Chromosome No. 19 c. Chromosome No. 20

Chromosome No. 21 d. Chromosome No. 22

10. Amoeba belongs to phylum

Sarcomastigophora c. Ciliophora

Apicomlexa d. Microspora



Subject: Zoology-I (Invertebrate Diversity)

Time Allowed: 2 Hours 45 Minutes

Max Marks: 50



Part-II  Give Short Answers, Each question carries equal marks. (20)

Q#1: What is hydrostatic skeleton’?

Q#2: What are autosomes?

Q#3: What is translocation?

Q#4: What are symbiotic ciliates?

Q#5: What is Incomplete dominance?

Q#6: What is Metamorphosis?

Q#7: What are filopodia?

Q#8: What is pentaradial symmetry?

Q#9: What is Tagmatization?

Q#10: What are Flame cells?

Part-III Give Long Answers, Each question carries equal marks. (30)

Q#1. Write a detailed note on Mendelian Law of Independent Assortment?

Q#2. What are the different body forms of sponges?

Q#3. Describe Metamerism. Also discuss its various advantages?