Metamorphosis

Q.

Difference between Amphitoky and Thelytoky.

Q. A biological process in which an organism gives rise to young ones (offspring) similar to itself is called

1. Parthenogenesis
   
2. Gametogenesis
   
3. Reproduction
4. Fertilisation
   

Q.

Does Pennatula exhibit metagenesis?

Q.

In some animal groups, the body is found divided into compartments with at least some organs. This characteristic feature is called

(a) Segmentation

(b) Metamerism

(c) Metagenesis

(d) Metamorphosis

Q. Insulin-like growth factor (IGF-1) is mainly secreted by which of the following organs?

1. Heart
2. Brain
3. Kidneys
4. Liver

Q.

Do earthworms undergo metamorphosis?

Q. Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits :

1. Chameleon - Mimicry
2. Pheretima - Sexual dimorphism
3. Musca - Complete metamorphosis
4. Taenia - Polymorphism

Q. Do earthworm and starfish show metamorphosis?

​​​​​

Q. Excretory organ in phylum Hemichordata is:

1. Proboscis gland
2. Gills
3. Collar
4. None of these

Q. In chordates, nerve cord develops from

1. endoderm
2. mesoderm
3. ectoderm
4. chorda dorsalis

Q. Males of honeybee colony are:

Q.

What is the difference between direct and indirect development?

Q. The animal which does not show any metamorphosis or larval stage is

1. Pheretima posthuma
2. Asterias
3. Musca domestica
4. Butterfly

Q. Which of the following animals does not undergo metamorphosis?

1. Moth
2. Tunicate
3. Earthworm
4. Starfish

Q. Proboscis gland in Balanoglossus is associated with

1. respiration
2. digestion
3. reproduction
4. excretion

Q. Annelida and Mollusca resemble many embryonic features because both have:

1. Spiral cleavage and mesoderm formation
2. Identical conspicuous segmentation in body, muscles and nervous system
3. Meroblastic cleavage and ectoderm formation
4. Special types of mouth parts

Q. Which of the following taxa shows zooidogamous oogamy?
(I) Spirogyra (II) Funaria
(III) Pteris (IV) Cycas
The correct answer is

1. I, II, III
2. I, III, IV
3. I, II, IV
4. II, III, IV

Q. Uniformly ciliated larva of cnidarians are

1. Hydrilla
2. Ephyra
3. Planula
4. Parenchymula

Q.

1. 4
2. 17
3. 2
4. 13

Q. Scyphistoma larva is a characteristic of

1. Hydrozoans
2. Scyphozoans
3. Anthozoans
4. All cnidarians

Q. The development of cnidarians exhibit .......... larva.

1. Parenchymula
2. Planula
3. Stomoblastula
4. Amphiblastula

Q. Spiral Cleavage is found in

1. Annelids
2. Echinodermata
3. Coelenterata
4. Cephalopod Molluscs

Q. Which of the following animals undergo the process of metamorphosis?

1. Frogs
2. Insects
3. All of the above
4. Mosquito

Q. Which of the following animals does not undergo metamorphosis?

1. Moth
2. Tunicate
3. Earthworm
4. Starfish