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NEET Biology MCQS Mock Test Paper 23
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1. Which of the following plants does not have independent and free-living male and female gametophytes?
Funaria
Pteris
Cedrus
Polytrichum
2. Algae are further classified into different classes based on which of the following characteristics?
Types of pigments
Composition of cell wall
Thallus organization
Food reserve
3. Which of the following differentiates conifers from grasses?
Absence of pollen tubes
Lack of xylem tracheids
Seeds are produced from ovules
endosperm formation without fertilization
4. Plant diversification is a result of
seed dispersal
suddenly appeared
abrupt mutations
a long period of evolutionary changes
5. Domination of angiosperms on land due to
domestication
self-pollination
a large number of seeds
adaptability in diverse habitats
6. A quality of angiosperms without any exception is
autotrophic nutrition
secondary growth
double fertilization
presence of vessels
7. Which of the following is a characteristic of bryophytes?
They possess chloroplasts
They have archegonia
The plant body is thalloid
All of the above
8. Which of the following characteristics differentiates bryophytes from algae?
They lack vascular tissue
The plant body is thalloid
They have chloroplasts
They possess archegonia
9. Which of the following differentiates pteridophytes from bryophytes and thallophytes?
Alternation of generation
Archegonia
Motile antherozoids
Vascular tissues
10. A good alternative to biogas is
Charcoal
Coal
Oil and petroleum
Fuel wood
11. Pick the incorrect pair
Ethanol used as gasoline
Biogas produced from dung
Animal energy used most efficiently
Latex source of liquid hydrocarbons
12. Natural gas, petrol and coal are this type of fuel
liquid fuels
fossil fuels
electrical fuels
biofuels
13. Solar energy transducer is
Chlorella
Orobanche
Rhizobium
Agaricus
14. An ideal good fuel can be attained from
Mangifera indica
Michelia excelsa
Dalbergia sissoo
Bauhinia racemosa
15. Non-renewable resource is
minerals and animals
plants and animals
minerals and fossils
fishes and planktons
16. Petroplants was recognized first by
M.Calvin
Slack and Hatch
Darwin
Lamarck
17. Maximum energy can be extracted from wood through
Cracking
Gasification
Direct burning
Biomass
18. This is a major source of liquid hydrocarbon
Solanum tuberosum
Euphorbia antisyphilitica
Cocos nucifera
Calotropis gigantea
19. These bacterial groups are exploited in the production of biogas
Eubacteria
Organotrophs
Methanotrophs
Methanogens
20. Which of the following is the correct sequence of electron acceptors in ETS for production of ATP?
Cyt b, c, a, a3
Cyt a, a, b, c
Cyt c, b, a, a3
Cyt b, c, a3, a
21. Which of the following terminal cytochromes is responsible for donating electrons to oxygen?
Cyt a3
Cyt b
Cyt c
Cyt a1
22. Electron transport system (ETS) is present in which of the following parts of mitochondria?
Inner membrane
Outer membrane
Matrix
Stroma
23. Which of the following is the first complex (Complex I) of ETS?
NADH dehydrogenase
Cytochrome aa3
Cytochrome bc1
ATP synthase
24. Which of the following is the Complex III of ETS?
NADH dehydrogenase
Cytochrome aa3
Cytochrome bc1
ATP synthase
25. Ubiquinone transfers its electrons to
Complex I
Complex II
matrix
Cyt c
26. In which part of the cell, oxidative phosphorylation takes place?
Inner mitochondrial membrane
Outer mitochondrial membrane
Grana of chloroplast
Stroma of chloroplast
27. Cytochromes are present in
lysosomes
mitochondrial matrix
cristae of mitochondria
outer membrane of mitochondria
28. ATP synthesis by ATP synthase is driven by the movement of
protons
NADH
electrons
All of the above
29. Oxidative phosphorylation results in the formation of
Oxygen
ADP
ATP + H2O
NADH
30. Which of the following families is characterised by trimerous flowers, superior and trilocular ovary with axile placentation?
Cucurbitaceae
Solanaceae
Liliaceae
Compositae
31. Fruits of the solanaceae family are
Capsule or berry
Pod
Drupe
Siliqua
32. Abelmoschus esculentus belongs to which of the following families?
Brassicaceae
Malvaceae
Liliaceae
Cucurbitaceae
33. Which of the following is incorrect for Fabaceae?
Actinomorphic flower
Monocarpellary superior ovary
Vexillary aestivation
Legume fruit
34. Tetradynamous stamen is a characteristic feature of
Cruciferae
Malvaceae
Solanaceae
Liliaceae
35. Obligately placed superior ovary is the characteristic of
Fabaceae
Brassicaceae
Solanaceae
Compositae
36. Compositae is characterized by which of the following inflorescences?
Hypanthodium
Capitulum
Iodicule
Perianth
37. Diadelphous stamens are found in
Fabaceae
Ranunculaceae
Malvaceae
Poaceae
38. A floral formula does not tell about
ovary position
whorls of floral parts
number of floral parts
placentation and aestivation
39. Which of the following flowers is perigynous?
Hibiscus
Rose
Cucumber
Guava
40. Axile placentation is not found in
Malvaceae
Liliaceae
Solanaceae
Fabaceae
41. Synandrous condition of stamen is commonly found in which of the following families?
Rosaceae
Malvaceae
Umbelliferae
Cucurbitaceae
42. Staminodes are commonly found in?
Caesalpinioideae
Papilionatae
Cruciferae
Malvaceae
43. Potato, tomato and brinjal belong to
Brassicaceae
Malvaceae
Solanaceae
Liliaceae
44. Which of the following is the inflorescence of Solanum nigrum?
Cymose
Catkin
Racemose
None of the above
45. What is the placentation in the unilocular ovary with a single ovule?
Axile
Free central
Basal
Marginal
46. Half-inferior ovary and perigynous flowers are present in
Cucumber
Guava
Brinjal
Plum
47. Which of the following has zygomorphic flowers?
Tomato
Gulmohar
Mustard
Datura
48. Petals of which of the following flowers form a keel?
Cassia
Gulmohar
Bean
Calotropis
49. The best description of the group of animals to which Sycon belongs is
acellular or unicellular
multicellular possessing tissue organization where the body cavity is absent
multicellular with a gastrovascular system
multicellular without any tissue organization
50. If a sponge is chopped into small pieces, this happens
some of the pieces forms organs
every piece forms a sponge
this will differentiate
it dies
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