Cell biology and Genetics

Tonoplast is a membrane which surrounds

• Mitochondria

• Cytoplasm

• Nucleus

• Vacuole

A loss of pair of chromosomes from a diploid set is

• Monosomic

• Nullisomic

• Polysomic

• Diplosomic

The chromosome number in tertasomics is

• 2n+2

• 2n-1

• 2n+1

• 2n-2

The Davson Danielli model is proposed to explain the structure of

• Thylakoid

• Plasma membrane

• Mitochondrion

• Golgi complex

Cell theory was proposed by

• Watson and Crick

• Schlieden and Schwann

• Laderberg and Tautum

• Davson and Danielli

which of the following is not found in animal cell

• Mitochondria

• Vacuole

• Centriole

• Plastid

During which phase of meiosis crossing over occurs

• Leptotene

• Zygotene

• Pachytene

• Diplotene

Histones are ........

• Carbohydrate

• Proteins

• Fats

• Glycoproteins

The nucleus in the cell was discovered by

• Robert Brown

• Bateson

• Morgan

• Tschermak

Plant cell wall mainly composed of

• Cellulose

• Starch

• Protein

• Lipid