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Diatoms do not have
Biology Class 11th NEET UG NEET UG Preparation
Q. 19 of Quiz-1406 (Que-ID : 2737)
Diatoms do not have
- Indestructible cell wall
- Cell wall are like soap box
- Two thick overlapping cells
- Release cell wall deposits
Ans → (c)Two thick overlapping cells
Explanation → They don?t have two overlapping cells
This question is taken from this post → Practice test : Biological Classification (Biology class 11th) | Practice MCQs for NEET - attemp/practice
More MCQs in - Practice test : Biological Classification (Biology class 11th) | Practice MCQs for NEET
Q. 1 of Quiz-1406 (Que-ID : 2719)
In five kingdom classification chlamydomonas and chlorella falls under
- Algae
- Plantae
- Monera
- Protista
Q. 2 of Quiz-1406 (Que-ID : 2720)
Which groups holds max nutritional diversity
- monera
- Plantae
- Fungi
- Anamalia
Q. 4 of Quiz-1406 (Que-ID : 2722)
Name the classification based on genetic and evolutionary relationship
- Phonetics
- Biosynthesis
- Numerical taxonomy
- Cladistics
Q. 5 of Quiz-1406 (Que-ID : 2723)
What is the purpose of taxonomy
- Explain the origin of life
- Identification of unknown species
- To search history of evolution
- Identify medicinal plants
Q. 6 of Quiz-1406 (Que-ID : 2724)
The purpose of botanical garden is to
- Preserve tropical plants
- Ex-situ conservation of germplasm
- Preserve wildlife
- Giving place for recreation
Q. 7 of Quiz-1406 (Que-ID : 2725)
In which form fungi store food material
- Lipid
- Starch
- Oil and glycogen
- Protein
Q. 8 of Quiz-1406 (Que-ID : 2726)
Common feature of archaebacteria
- Structure of cell membrane
- Structure of cell wall
- Has fatty acid synthetase
- Structure of flagellin protein
Q. 11 of Quiz-1406 (Que-ID : 2729)
name of agaricus fruiting body
- Fairy rings
- Cleistothecium
- Basidocarp
- Asciocarp
Q. 13 of Quiz-1406 (Que-ID : 2731)
Viral protein is made of
- Protein
- Lipid
- Carbohydrate
- All of the above
Q. 14 of Quiz-1406 (Que-ID : 2732)
Heterocyst in nostoc participates in
- Nitrogen fixation
- Fragmentation
- Fruit storage
- Symbiotic relation
Q. 15 of Quiz-1406 (Que-ID : 2733)
Whittakers definition of classification does not include
- Algae
- Protista
- Plantae
- mychota
Q. 16 of Quiz-1406 (Que-ID : 2734)
Classification is not based on
- Thallus organisation
- Cell structure
- Gross morphology
- Phylogenetic relationship
Q. 17 of Quiz-1406 (Que-ID : 2735)
Which is not a bacterial disease
- Cholera
- Plague
- Citrus canker
- mumps
Q. 18 of Quiz-1406 (Que-ID : 2736)
Which of the feature mycoplasma does not have
- Pleomorphic
- Lack cell wall
- All the above
- Can?t live w/o O2
Q. 19 of Quiz-1406 (Que-ID : 2737)
Diatoms do not have
- Indestructible cell wall
- Cell wall are like soap box
- Two thick overlapping cells
- Release cell wall deposits
Q. 22 of Quiz-1406 (Que-ID : 2740)
Genetic recombination in prokaryotes can occur during
- Transformation
- Transduction
- Conjunction
- All of the above
Q. 23 of Quiz-1406 (Que-ID : 2741)
Diatoms do not decay fast because
- They are chitinous
- They have silicious wall
- Contain saline oil
- Body is impervious to water
Q. 25 of Quiz-1406 (Que-ID : 2743)
What is not part of sexual cycle of fungi
- Plasmogamy
- Mitosis
- Karyogamy
- Meiosis
More MCQs In - Biology Class 11th NEET UG NEET UG Preparation
Q. 14 of Quiz- (Que-ID : 3382)
During the primary treatment of sewage, solid particles that settle down are called
- floes
- primary sludge
- activated sludge
- anaerobic sludge
Q. 19 of Quiz- (Que-ID : 3037)
Cavity formed between somatic and splanchnic mesoderm is called
- Gastrocoele
- Blastocoele
- Coelom
- Neurocoele
Q. 14 of Quiz- (Que-ID : 3107)
Insectivorous plants grow where
- There is carbohydrate deficient soil
- There is nitrogen deficient soil
- Vitamin c is required
- Hormones are required
Q. 14 of Quiz- (Que-ID : 3357)
Artificial breeding of cattle is brough about by
- artiticial insemination
- super ovulation and embryo transplantation
- MOET
- all of these
Q. 16 of Quiz- (Que-ID : 2684)
Which among the following has 2 chamber heart
- Fish
- Crocodile
- Birds
- Mammals
Q. 22 of Quiz- (Que-ID : 2740)
Genetic recombination in prokaryotes can occur during
- Transformation
- Transduction
- Conjunction
- All of the above
Q. 2 of Quiz- (Que-ID : 2995)
Cell plate grows from
- walls to the centre
- centre to the walls
- in patches
- simultaneously
Q. 18 of Quiz- (Que-ID : 3036)
Mobilisation of stored food in germinating seeds is triggered by
- auxins
- cytokinins
- gibberellins
- ethylene
Q. 5 of Quiz- (Que-ID : 2998)
Karyokinesis is the term used for
- division of cytoplasm
- division of nucleoplasm
- division of nucleus
- separation of daughter chromosomes
Q. 22 of Quiz- (Que-ID : 2790)
A group of closely related classes is called
- Genus
- Phylum
- Family
- Order
Q. 4 of Quiz- (Que-ID : 3347)
Major percentage of India’s Gross Domestic Product is constituted by
- industry
- agriculture
- export
- small scale cottage industry
Q. 19 of Quiz- (Que-ID : 3387)
Which of the following steps is taken by the Ministry of Environment and Forests to protect rivers from water pollition ?
- Ganga Action Plan
- Narmada Action Plan
- Yamuna Action Plan
- Both (a) and (c)
Q. 6 of Quiz- (Que-ID : 3449)
Parasites that feed on the external surface of the host organism are called
- Ecto parasites
- Endo parasites
- Brood parasitism
- None of the above
Q. 19 of Quiz- (Que-ID : 2962)
Synthesis of DNA from RNA is explained by
- central dogma reverse
- reverse transcription
- feminism
- all of these
Q. 23 of Quiz- (Que-ID : 3466)
Praying mantis is a good example of
- Camouflage
- Mullarian mimicry
- Warning colouration
- Social insect
Q. 24 of Quiz- (Que-ID : 3117)
The requirement of micro nutrient are always low if the concentration increases it leads to
- deficiency symptoms
- Cell differentiation
- toxicity
- Cell elongation
Q. 1 of Quiz- (Que-ID : 3269)
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
Q. 1 of Quiz- (Que-ID : 3144)
Feedback inhibition of enzymes is affected by which of the following
- enzyme
- substrate
- end products
- intermediate end products
Q. 14 of Quiz- (Que-ID : 3107)
Insectivorous plants grow where
- There is carbohydrate deficient soil
- There is nitrogen deficient soil
- Vitamin c is required
- Hormones are required
Q. 2 of Quiz- (Que-ID : 3145)
An example of competitive inhibition of an enzyme is the inhibition of
- succinic dehydrogenase by malonic acid
- cytochrome oxidase by cyanide
- hexokinase by glucose-6-phosphate
- carbonic anhydrase by carbon dioxide
Q. 4 of Quiz- (Que-ID : 3072)
The law of limiting factor was given by
- Calvin
- Blackman
- Priestley
- None of these
Q. 15 of Quiz- (Que-ID : 3333)
Passive immunity can be conferred directly by
- vaccines
- antitoxins
- colostrum
- both (b) & (c)
Q. 5 of Quiz- (Que-ID : 3148)
Which of the following statements regarding enzyme inhibition is correct?
- Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein
- Non-competitive inhibitors often bind to the enzyme irreversibly
- Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme
- Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate
Q. 10 of Quiz- (Que-ID : 3128)
Which of the following is true about diffusion?
- There is no expenditure of energy
- Molecules move in Brownian motion
- Substances moves from the region of higher concentration to the region of lower concentration.
- Diffusion depends on the type of living system
Q. 21 of Quiz- (Que-ID : 3289)
In chlorophyta the mode of sexual reproduction is
- Isogamy
- Anisogamy
- Oogamy
- Isogamy, Anisogamy and oogamy
Q. 22 of Quiz- (Que-ID : 3340)
Which one of the following diseases cannot be cured by taking antibiotics ?
- Plague
- Amoebiasis
- Leprosy
- Whooping cough
Q. 23 of Quiz- (Que-ID : 2791)
In a scientific name, the name of the author is printed in
- Abbreviated
- Capital letter
- Bold
- Italics
Q. 19 of Quiz- (Que-ID : 2962)
Synthesis of DNA from RNA is explained by
- central dogma reverse
- reverse transcription
- feminism
- all of these
Q. 4 of Quiz- (Que-ID : 2872)
Hepatitis B is transmitted through
- blood transfusion
- intimate physical contact
- sexual contact
- all of these
Q. 24 of Quiz- (Que-ID : 3417)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
Q. 8 of Quiz- (Que-ID : 3151)
Assertion: Arachidic acid is an unsaturated fatty acid Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids
- Both Assertion and Reason are true and Reason is the correct explanation of the Assertion
- Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion
- Assertion is true, but Reason is false.
- Both Assertion and Reason are false
Q. 13 of Quiz- (Que-ID : 2781)
The study of fish is called
- Ophiology
- Herpetology
- ichthyology
- pisiculture
Q. 17 of Quiz- (Que-ID : 3185)
Frogs are beneficial to us because
- they protect crops
- they links food web
- they are food to man.
- all of these
Q. 10 of Quiz- (Que-ID : 1719)
The organism that lives at the cost of another living organism is called-
- Aphrodite
- saprophyte
- epiphyte
- parasite
Q. 12 of Quiz- (Que-ID : 2830)
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because
- offspring do not possess exact copies of parental DNA
- DNA of only one parent is copied and passed on to the offspring
- offspring are formed at different times
- DNA of parent and offspring are completely different
Q. 15 of Quiz- (Que-ID : 3008)
Which of the following cellular structures always disappears during mitosis and meiosis?
- Plasma membrane
- Nucleolus and nuclear envelope
- Plastids
- none of these
Q. 13 of Quiz- (Que-ID : 3306)
Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and
- evolution
- limiting facrtors
- saltation
- natural selection
Q. 22 of Quiz- (Que-ID : 3515)
Which group of vertebrates comprises the highest number of endangered species?
- Fishes
- Reptiles
- Birds
- Mammals
Q. 11 of Quiz- (Que-ID : 3937)
Inulin is made up of _______ and _______
- glucose and fructose
- glucose and fructose
- fructose and mannose
- mannose and glucose
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