Cell theory’s earlier proposed by Schleiden and Schwann  failed to explain

(1)how new cells are formed

(2)how cells die

(3)how cell division takes place

(4)how plant cell is different from animal cell

The statement (omnis cellula-e cellula) was given by

(1) The man who proposed modern cell theory

(2)The man who gave final shape to the cell theory

(3)The man who modified cell theory explaining that new cells are formed from pre-existing cells

(4)All of the above

Which of the following is true about Rudolf Virchow?

(1)He modified the hypothesis of the Schleiden and Schwann

(2)He explained how new cells are formed

(3)He explained what Schleiden and Schwann couldn’t explain in cell theory

(4)All of the above

Which one is true statement

(1)cell membrane is the delimiting structure of the cell

(2)cytoplasm is the main arena of cellular activities

(3)All cells have nucleus

(4)Both A and B

How many of the following cell organelles are membranous?

Endoplasmic reticulum, Nucleus, lysosomes, vacuoles, ribosomes, centrioles

(1)6

(2)5

(3)4

(4)2

How many of the following cell organelles are not present in prokaryotic cell?

Endoplasmic reticulum, Nucleus, lysosomes, vacuoles, ribosomes, centrioles

(1)6

(2)5

(3)4

(4)2

In which of the following cell organelles ribosomes are present?

(A)cytoplasm

(B)Mitochondria and chloroplast

(C)Nucleus, Mitochondria and chloroplast

(D) cytoplasm, Mitochondria and chloroplast

Which of the following is a membraneless organelle

(1)Ribosome

(2)Nucleolus

(3)Basal Body

(4)All of these

Which one is incorrect

(1)Mycoplasmas are greater than bacteria

(2)largest isolated cell is ostrich egg

(3)Nerve cells are longest cells

(4)The shape of the cell may vary with  the function they perform

The shape of the R.B.C is

(1)round and convex

(2)round and concave

(3)round and biconcave

(4)round and biconvex