A DNA segment contains 100 Adenine and 100 cytosines; how many nucleotides are present in the segment?
1.100
2.200
3. 400
4.50
Posted Date:-2021-02-22 08:45:07
A person with the enlarged thyroid gland protruded eyeball; increased BMR and weight loss is suffering from _______.
1.Grave’s disease
2.Exophthalmic goitre
3.Both (a) and (b)
4.Addison disease
Posted Date:-2021-02-22 08:45:07
Absorptive heterotrophic mode of nutrition is present in_______.
1.Pteridophytes
2.Bryophytes
3.Fungi
4.Algae
Posted Date:-2021-02-22 08:45:07
Aerenchyma and chlorenchyma are types of ________.
1. Xylem
2.Phloem
3. Vascular bundle
4.Parenchyma
Posted Date:-2021-02-22 08:45:07
Asexual reproduction in Rhizopus is by the formation of_______.
1. Zygospores
2.Motile zoospores
3.Sporangiospores
4.Zoogametes
Posted Date:-2021-02-22 08:45:07
ATP is a
1.nucleoside
2. nucleotide
3. vitamin
4.nucleic acid
Posted Date:-2021-02-22 08:45:07
 A DNA sequence is read by an RNA polymerase that produces complementary antiparallel RNA strand known as
1.Hexa transcript
2.secondary transcript
3.primary transcript
4.tertiary transcript
Posted Date:-2021-02-22 08:45:07
 Asexual reproduction in Rhizopus is by the formation of_______.
1. Chlamydospores
2.Aplanospores
3.Sporangiospores
4.All of the above
Posted Date:-2021-02-22 08:45:07
 In TS of the dicotyledonous root; the parenchymatous cells which lie between the xylem and phloem are called ________.
1.Cortex
2.Cambium
3.Connective tissue
4.Conjunctive tissue
Posted Date:-2021-02-22 08:45:07
 When the progressive enlargement of a multinodular goitre causes symptomatic tracheal compression; the typically preferred treatment management in otherwise good-risk patients is ____.
1. Radioactive iodine treatment
2.Thyroid hormone treatment
3.Iodine treatment
4. Surgical resection of abnormal thyroid
Posted Date:-2021-02-22 08:45:07
 Which of the following statement is true about complications of a large goitre?
1.Dysphagia is an indication for surgery
2.Causes stridor due to compression of the oesophagus
3.Causes hoarseness due to compression of the trachea
4.Causes more florid thyrotoxicosis than a smaller goitre
Posted Date:-2021-02-22 08:45:07
 Which of the following statement is true about the spongy parenchyma?
1.Round or oval loosely arranged cells
2.Abaxially placed to palisade parenchyma
3.Continues to the abaxial epidermis
4.All of the above
Posted Date:-2021-02-22 08:45:07
Find the correct statement about phosphodiester linkage between adjacent nucleotides in nucleic acids
1.3’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide
2. 3’-phosphate of one nucleotide joins the 5’-hydroxyl of the next nucleotide
3.5’-phosphate of one nucleotide joins the 5’-hydroxyl of the next nucleotide
4.5’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide
Posted Date:-2021-02-22 08:45:07
From mature parenchyma; plant regeneration can occur as__________.
1. there are no cell walls
2. they are nucleate
3.they can dedifferentiate
4.it forms the bulk of the ground tissue
Posted Date:-2021-02-22 08:45:07
In both prokaryotic and eukaryotic cells; the synthesis of protein chains is initiated with
1.Arginine
2.Methionine
3.Serina
4.Valine
Posted Date:-2021-02-22 08:45:07
In eukaryotes; in order to initiate transcription
1.RNA strand must be present
2.RNA polymerase must be present
3.Core promoter sequence must be present
4.None of these
Posted Date:-2021-02-22 08:45:07
In plants; the most common ground tissue is___________.
1.Cortex
2. Epidermis
3.Collenchyma
4.Parenchyma
Posted Date:-2021-02-22 08:45:07
Nucleic acids are a polymer of nucleotide monomeric units. Each nucleotide consists of
1.baseÂ-sugar-ÂOH
2. sugar-Âphosphate
3.baseÂ-sugar-Âphosphate
4. (baseÂ-sugarÂ-phosphate)x
Posted Date:-2021-02-22 08:45:07
Meiosis occurs in the life cycle of Rhizopus during_______.
1.Asexual reproduction
2.Formation of gametangium
3.Germination of zygospores
4.Formation of sporangium
Posted Date:-2021-02-22 08:45:07
Mostly; the flesh of the fruit is made of ________.
1. Collenchyma
2.Meristem
3.Collenchyma
4.Parenchyma
Posted Date:-2021-02-22 08:45:07
Mycelium of Rhizopus is
1.Aseptate and multinucleate
2. Septate and multinucleate
3. Aseptate and uninucleate
4. Septate and coenocyte
Posted Date:-2021-02-22 08:45:07
Nucleoside contains
1. base-sugar
2.base-phosphate
3.base-sugar-phosphate
4.sugar-phosphate
Posted Date:-2021-02-22 08:45:07
One end of tRNA matches genetic code in three-nucleotide sequences known as
1.codon
2.genetic code
3.blunt ends
4.anticodon
Posted Date:-2021-02-22 08:45:07
Purine base found in RNA is
1. Cytosine
2.Thymine
3.Guanine
4.Uracil
Posted Date:-2021-02-22 08:45:07
Sexual reproduction in Rhizopus takes place by fusion of_______.
1.Two sporangia
2. Two gametangia
3.Two gametes
4.Two hyphae
Posted Date:-2021-02-22 08:45:07
Sigma factor is a component of
1.DNA ligase
2.DNA polymerase
3.Endonuclease
4.RNA polymerase
Posted Date:-2021-02-22 08:45:07
Simple permanent tissue that is food storing is ___________.
1. Parenchyma
2. Collenchyma
3.Scleroid
4.None
Posted Date:-2021-02-22 08:45:07
The cell wall of most of the fungi contains ________.
1.Hemicellulose
2. Chitin
3.Peptidoglycan
4.Cellulose
Posted Date:-2021-02-22 08:45:07
The enzyme required for transcription is
1.RNAase
2.DNA polymerase
3.RNA polymerase
4.Restriction enzymes
Posted Date:-2021-02-22 08:45:07
The least level of chromosome organization is
1.30nm fibre
2. solenoid
3.nucleosome
4.none of the above
Posted Date:-2021-02-22 08:45:07
The longest primary transcript is generated by
1.dystrophin gene
2.Tintin gene
3.neuromedin u
4.centromere protein A
Posted Date:-2021-02-22 08:45:07
The main function of tRNA with regards to protein synthesis is
1.Proofreading
2.identifies amino acids and transports them to ribosomes
3. Inhibits protein synthesis
4. all of the above
Posted Date:-2021-02-22 08:45:07
The mesophyll of a dicot leaf is differentiated into _________.
1.Spongy parenchyma
2.Palisade parenchyma
3.Prosenchyma
4.Both (a) and (b)
Posted Date:-2021-02-22 08:45:07
The plant tissues that are known for photosynthesis; secretion and storage are______.
1. Parenchyma
2.Collenchyma
3.Sclerenchyma
4.Vascular cambium
Posted Date:-2021-02-22 08:45:07
The sugar molecule present in nucleotide is
1.triose
2.tetrose
3.pentose
4.hexose
Posted Date:-2021-02-22 08:45:07
This has the largest number of chromosomes
1.Pisum sativum
2.Giant redwood tree
3.Haplopappus gracilis
4.Ophioglossum reticulatum
Posted Date:-2021-02-22 08:45:07
Transcription is the transfer of genetic information from
1.DNA to RNA
2.DNA to mRNA
3.mRNA to tRNA
4.tRNA to mRNA
Posted Date:-2021-02-22 08:45:07
Which of the following class does Rhizopus belong to?
1.Ascomycetes
2.Chytridiomycetes
3.Deuteromycetes
4.Zygomycetes
Posted Date:-2021-02-22 08:45:07
Which of the following disease is caused due to the deficiency of iodine?
1. Solitary thyroid nodules
2.Goitre
3.Thyroiditis
4.Thyroid cancer
Posted Date:-2021-02-22 08:45:07
Which of the following is the main cause for Goitre?
1. Hypothyroidism
2. Hyperthyroidism
3.Cancer of the thyroid gland
4.All of the above
Posted Date:-2021-02-22 08:45:07
Which of the following is the most common cause of goitrous hypothyroidism in adults?
1.Hashimoto’s disease
2.Grave’s disease
3.Riedel’s thyroiditis
4.De Quervain’s thyroiditis
Posted Date:-2021-02-22 08:45:07
Which of the following is the most precise diagnostic screening procedure for differentiating benign thyroid nodules from malignant ones?
1.Thyroid scintiscan
2.Thyroid ultrasonography
3.Thyroid hormone suppression
4.Fine-needle-aspiration biopsy (FNAB)
Posted Date:-2021-02-22 08:45:07
Which of the following nucleotide contains only ribose sugar and not deoxyribose?
1.Thymine – pentose sugar-phosphate
2.Uracil – pentose sugar-phosphate
3.Thymine – pentose sugar-phosphate
4.Cytosine – pentose sugar-phosphate
Posted Date:-2021-02-22 08:45:07
Which of the following statement is incorrect about thyroid hormones?
1.Regulates BMR
2.Maintains water and electrolyte balance
3.Supports erythropoiesis
4.Controls blood phosphate level
Posted Date:-2021-02-22 08:45:07
Which of the following statement is true about Grave’s disease of the thyroid?
1.It is the cause for ophthalmoplegia
2.It is the cause for  large multi-nodular goitre
3. In the past; grave’s disease sometimes caused ‘Derbyshire Neck’
4.It is most common in males than in females
Posted Date:-2021-02-22 08:45:07
Which of the following statement is true about the palisade parenchyma?
1.Elongated cells
2. Adaxially placed
3.Vertically and parallelly placed
4.All of these
Posted Date:-2021-02-22 08:45:07
Which of the following statement is true about thyroid swelling?
1.Always elevates on swelling
2. An ultrasound of the swelling is the best test to determine whether the nodule is actively secreting hormone
3.Lymph node enlargement is a good prognostic sign
4.A functional nodule on isotope scanning is unlikely to be due to cancer
Posted Date:-2021-02-22 08:45:07
Which of these subunits of RNA polymerase is totally required to initiate transcription?
1.alpha (α)
2.sigma (σ)
3.omega (ω)
4.beta (β)
Posted Date:-2021-02-22 08:45:07
Zygospore formation is a characteristic feature of_______.
1.Mucour/Â Rhizopus
2.Puccinia
3. Alternaria
4.Penicillium
Posted Date:-2021-02-22 08:45:07
____ is commonly known as black bread mould.
1.Rhizobium sp
2. Rhizopus oryzae
3.Rhizopus nedosus
4.Rhizopus stolonifer
Posted Date:-2021-02-22 08:45:07