Class 11 biology chapter 1 important questions and answers for neet 2025.
Class 11 biology chapter 1 important questions and answers for neet 2025:
Q) Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature? (NEET-I 2016)
a) First word in a biological name represents the genus name and the second is a specific epithet
b) Biological names can be written in any language
c) When written by hand, the names are to be underlined
d) Names are written in Latin and are italicized
Solution: b) Biological names can be written in any language
Q)An attribute found in plants but not animals is
a)Metabolism
b)Sexual reproduction
c)Autotrophy
d)Asexual reproduction
Solution: c) Autotrophy
Q)Which of the following is an example of a unicellular organism?
a) Dog
b) Fungi
c) Paramecium
d) Tree
Solution: c) Paramecium
Q)As we go from species to Kingdom in a taxonomic hierarchy, the number of common characteristics
a)Will decrease
b)Will increase
c)Remain the same
d) May increase or decrease
Solution: a)Will decrease
Q)Systematics is a __ word.
a) Greek
b) Latin
c) German
d) French
Solution: b) Latin
Q)Who is known as Darwin of 20ᵗʰ century.
a) Norman Mayr
b) Thomas Malthus
c) Ernst Mayr
d) GN Ramachandran
Solution: c) Ernst Mayr
Q)Botanical gardens and zoological parks have:
a)Collection of endemic living species only
b)Collection of exotic living species only
c)Collection of endemic and exotic living species
d)Collection of only local plants and animals
Solution: c) Collection of endemic and exotic living species
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Taxonomy is the branch of biology that deals with:
a) Study of genes
b) Study of inheritance
c) Classification of organisms
d) Study of ecosystems
Solution: c) Classification of organisms
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Compared to genus, which of the following is less general in characters?
a)Family
b)Species
c)pision
d)Class
Solution: b) species
Q)
Match Column I and II for housefly classification and select the correct option using codes provided below: (NEET-II 2016)
Column I |
Column II |
a.Family |
i.Diptera |
b.Order |
ii.Arthropoda |
c.Class |
iii.Muscidae |
d.Phylum |
iv.Insecta |
a) a-i, b-ii, c-i, d-iii
b) a-iv, b-iii, c-ii, d-i
c) a-iii, b-ii, c-iv, d-i
d) a-iii, b-i, c-iv, d-ii
Solution: d) a-iii, b-i, c-iv, d-ii
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Label of a herbarium sheet does not carry information on (NEET-II 2016)
a) Height of the plant
b) Name of the collector
c) local names
d) date of collection.
Solution: a) Height of the plant
Q)The number of known and described species ranges between _. Fill in the blanks with the correct option from the following.
a)1.4 to 1.5 million
b)1.6 to 1.7 million
c)1.7 to 1.8 million
d)1.9 to 2 million
Solution: a) 1.4 to 1.5 million
Q)The process by which green plants convert sunlight into chemical energy is called:
a) Respiration
b) Photosynthesis
c) Reproduction
d) Digestion
Solution: b) Photosynthesis
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)The scientific name of the Mango is given below. Identify the written name correctly.
a)Mangifera Indica
b)Mangifera indica
c) both
d) none of these
Solution: b) Mangifera indica
Q)Choose the correct statement.
a) Photoperiod affects reproduction in plants only.
b) Most obvious feature of all living organisms is growth.
c) Technically complicated feature of all living organisms is metabolism.
d) Emergence is feature of living organism.
Solution: d) Emergence is feature of living organism.
Q) The label of a herbarium sheet does not carry information on [NEET 2016, Phase II]
a) date of collection
b) local names
c) come of collector Name
d) Reight of the plant
Solution: d) Reight of the plant
Q)Study the four statements (I-IV) given below and select the two correct ones out of them:
[NEET 2016, Phase II]
I. Definition of biological species was given by Ernst Mayr.
II. Photoperiod does reproduction in plants. not affect
III. Binomial nomenclature system was given by RH Whittaker.
IV. In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are
a)II and III
b) III and IV
c) I and IV
d) I and II
Solution: c) I and IV
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Biological organisation starts with [CBSE AIPMT 2007]
a) sub-microscopic molecular level
b) cellular level
c) organismic level
d) atomic level
Solution: a) sub-microscopic molecular level
Q)The living organisms can be un-exceptionally distinguished from the non-living things on
the basis of their ability for [CBSE AIPMT 2007]
a) responsiveness to touch
b)interaction with the environment and progressive evolution
c) reproduction
d) growth and movement
Solution: b)interaction with the environment and progressive evolution
Q)Which one of the following is an example of negative feedback loop in humans?
[CBSE AIPMT 2007]
a) Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold
b) Secretion of tears after falling of sand particles into the eye
c) Salivation of mouth at the sight of delicious fooa
d) Secretion of sweat glands and constriction of skin blood vessels when it is too hot
Solution: a) Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Carbohydrates the most abundant biomolecules on earth, are produced by [CBSE AIPMT 2005]
a) all bacteria, fungi and algae
b) fungi, algae and green plant cells
c)some bacteria, algae and green plant cells
d) viruses, fungi and bacteria
Solution: c)some bacteria, algae and green plant cells
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)More than 70% of world’s fresh water is contained in [CBSE AIPMT 2005]
a) antarctica
b) greenland
c) glaciers and mountains
d) polar ice
Solution: d) polar ice
Q)Reason of diversity in living being is [CBSE AIPMT 2001]
a) mutation
b) gradual change
c) long term evolutionary change
d) short term evolutionary change
Solution: c) long term evolutionary change
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)First life on earth was
a) cyanobacteria
b) chemoheterotrophs
c) autotrophs
d) photoautotrophs
Solution: b) chemoheterotrophs
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Relative Biological Effectiveness (RBE) is usually referred to damages caused by
a) low temperature
b) high temperature
c) encephalitis
d) radiation
Solution: d) radiation
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)The most important feature of all living systems is to(a) utilise oxygen to generate energy
The Living World
[CBSE AIPMT 2000]
a) utilise oxygen to generate energy
b) replicate the genetic information
c) produce gametes
d) utilise solar energy for metabolic activities
Solution: b) replicate the genetic information
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025
Q)Pedology is science of [CBSE AIPMT 1991]
(a) earth
b) soil
(c) diseases
(d) pollution
Solution: b) soil
Q)Homeostasis is
[CBSE AIPMT 1991]
a) tendency to change with change in environment
b) tendency to resist change
c) disturbance in regulatory control
d) plants and animals extracts used in homeopathy
Solution: b) tendency to resist change
Q)Employment of hereditary principles in the improvement of human race is
a) Euthenics
b)Eugenics
c) Euphenics
d) Ethnology
Solution: b)Eugenics
Class 11 Biology chapter 1 important Questions for NEET/Class 11 biology chapter 1 important questions and answers for neet 2025. Class 11 biology chapter 1 important questions.
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