List of top Biology Questions asked in NEET (UG)

Hormones secreted by the placenta to maintain pregnancy are

Match the items given in Column I with those in Column II and select the correct option given below :

Column I		Column II
a.	Tricuspid valve	i.	Between left atrium and left ventricle
b.	Bicuspid valve	ii	Between right ventricle and pulmonary artery
c.	Semilunar valve	iii.	Between right atrium and right ventricle

Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively ?

The contraceptive ‘SAHELI'

The difference between spermiogenesis and spermiation is

Match the items given in Column I with those in Column II and select the correct option given below :

Column I		Column II
a.	Tidal volume	i.	2500 – 3000 mL
b.	Inspiratory Reserve volume	ii	1100 – 1200 mL
c.	Expiratory Reserve volume	iii.	500 – 550 mL
d.	Residual volume	iv.	1000 – 1100 mL

Match the items given in Column I with those in Column II and select the correct option given below :

Column I		Column II
a.	Eutrophication	i.	UV-B radiation
b.	Sanitary landfill	ii.	Deforestation
c.	Snow blindness	iii.	Nutrient enrichment
d.	Jhum cultivation	iv.	Waste disposal

Which one of the following population interactions is widely used in medical science for the production of antibiotics ?

All of the following are included in ‘Ex-situ conservation’ except

In a growing population of a country,

Conversion of milk to curd improves its nutritional value by increasing the amount of

The similarity of bone structure in the forelimbs of many vertebrates is an example of

Which part of poppy plant is used to obtain the drug ‘‘Smack’’ ?

Which of the following is not an autoimmune disease ?

Which of the following characteristics represent ‘Inheritance of blood groups’ in humans ?
a. Dominance
b. Co-dominance
c. Multiple allele
d. Incomplete dominance
e. Polygenic inheritance

Which of the following hormones can play a significant role in osteoporosis ?

The transparent lens in the human eye is held in its place by

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic s ?

Among the following sets of examples for divergent evolution, select the incorrect option :

After karyogamy followed by meiosis, spores are produced exogenously in

Which of the following structures or regions is incorrectly paired with its function ?

Match the items given in Column I with those in Column II and select the correct option given below :

Column I		Column II
a.	Herbarium	i.	It is a place having a collection of preserved plants and animals.
b.	Key	ii.	A list that enumerates methodically all the species found in an area with brief description aiding identification.
c.	Museum	iii.	Is a place where dried and pressed plant specimens mounted on sheets are kept.
d.	Catalogue	iv.	A booklet containing a list of characters and their alternates which are helpful in identification of various taxa.

In which of the following forms is iron absorbed by plants ?