Biology NEET Daily MCQs Practice Questions | 2 August, 2024

Which one of the following are correct statement for the cancer

a. In cancer cells the contact inhibition property are lost
b. The chemical carcinogens present in tobacco smoke have been identified as a major cause of lung cancer
c. Cancer causing viruses called oncogenic viruses have genes called viral oncogenes
d. Ionising radiations like X-rays and non-ionising radiation like UV rays, gamma rays cause DNA damage leading to neoplastic transformation
e. Cancer is one of the most dreaded diseases of human beings

The function of secretion of prostate gland is to :

Select the correct statement for family Mimosoideae

Plants show another interesting phenomenon. The living differentiated cells, that by now have lost the capacity to divide can regain the capacity of division under certain conditions. This phenomenon is termed as

Select the correct option for the given diagram

The ring arrangement of vascular bundles is a characteristics of

Select the correct match

Given below are two statements
Statement I: In a cell the nuclear pore are the passage through which movement of RNA and protein molecules takes place in both directions between the nucleus and the cytoplasm.
Statement II : Normally there is only one nucleus per cell, variation in the number of nuclei are also frequently observed.

Choose the correct answer from the option given below:

Select the correct match

The given below diagram of animal belongs to

Statement -I- Reptiles are mostly terrestrial animals and their body is covered by dry and cornified skin, epidermal scales or scutes.
Statement-II- In reptiles heart is usually two chambered, but four chambered in crocodiles.

Which one of the following is Incorrect statement for artificial hybridisation :

How many matching are correct

Which one of the following is odd for female reproductive structure in flowering plant

How many statements are correct for double fertilisation :

a. The central cell after syngamy becomes the PEC and develops into the endosperm
b. The two process syngamy and triple fusion takes place in embryo sac
c. Two male gamete are involved
d. Filiform apparatus play important role

Spermatids $\stackrel{\mathrm{x}}{\to }$ spermatozoa
In the given process what is x :

The maximum photosynthesis takes place in which region of the spectrum

If in a pond there were 50 water Hyacinth plant last year and through reproduction 10 new plants are added, taking the current population to 60. What is the birth rate for this plant :

Match the column - I with column - II and select the correct option from the codes given below :

Match the Column ‘A’ with Column ‘B’ and select the answer from the options given below: