Which of the following events does not occur in rough endoplasmic reticulum?

• Protein folding

• Protein glycosylation

• Phospholipid synthesis

• Cleavage of signal peptide

Select the incorrect match :

• Lampbrush – Diplotene bivalents chromosomes

• Allosomes – Sex chromosomes

• Polytene chromosomes – Oocytes of amphibians

• Submetacentric chromosome – L-shaped chromosomes

Which of the following animals does not undergo metamorphosis?

• Earthworm

• Tunicate

• Starfish

• Moth

Which of the following terms describe human dentition?

• Thecodont, Diphyodont, Homodont

• Thecodont, Diphyodont, Heterodont

• Pleurodont, Diphyodont, Heterodont

• Pleurodont, Monophyodont, Homodont

Which one of these animals is not a homeotherm?

• Macropus

• Chelone

• Psittacula

• Camelus

Which of the following features is used to identify a male cockroach from a female cockroach?

• Presence of a boat-shaped sternum on the 9th abdominal segment

• Presence of caudal styles

• Presence of anal cerci

• Forewings with darker tegmina

Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

• Amphibia

• Reptilia

• Osteichthyes

• Aves

Nissl bodies are mainly composed of

• Proteins and lipids

• DNA and RNA

• Free ribosomes and RER

• Nucleic acids and SER

Ciliates differ from all other protozoans in

• using flagella for locomotion

• having a contractile vacuole for removing excess water

• having two types of nuclei

• using pseudopodia for capturing prey

Which of the following organisms are known as chief producers in the oceans?

• Dinoflagellates

• Diatoms

• Euglenoids

• Cyanobacteria