Model Paper 1 — NEET STD 11 Science — Question

Marchantia is an example of.

Thymine is a

Which one of the following structures is haploid in its ploidy level :

Rapid and dramatic increase in shoot length is called

In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as

Which of the following options has all the organisms belonging to the same Genus?

Food and energy relationships among living components of ecosystem is generally referred as

Which of them is not an extrinsic factor?

Study the following statements and choose the incorrect statement :
(i) Prior to the work of Avery, MacLeod and McCarty, the genetic material was thought to be a protein. They concluded that DNA is the hereditary material.
(ii) Hershcy and Chase worked to discover whether genetic material was protein or DNA.
(iii) The unequivocal proof that DNA is the genetic material came from the experiments of Alfred Hershey and Martha Chase (1952).
(iv) Hershcy and Chase worked with viruses that infect bacteria called bacteriophage.
(v) Griffith was concluded that DNA transferred from dead to living bacteria.

Meiosis occurs in which of the following cells?