General Quiz First Secondary On Genetics And Classification
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- 1.All persons with the following blood groups may produce a child with a blood group O-ve except:
- A.
A+ve
- B.
B-ve
- C.
AB-ve
- D.
O-ve
- 2.The mammal that does not give birth but lays eggs and incubates them is:
- A.
Armadillo
- B.
Spiny ant eater
- C.
Hedgehog
- D.
Whale
- 3.Lamprey belongs to class:
- A.
Reptilia
- B.
Chondrichthyes
- C.
Agnatha
- D.
Ostichthyes
- 4.The three pairs of genes responsible for the presence of Rhesus factor antigens are located on ............ pair(s) of chromosomes
- A.
One
- B.
Two
- C.
Three
- D.
Four
- 5.............. is a parasite that causes human malaria
- A.
Plasmodium
- B.
Euglena
- C.
Paramecium
- D.
Amoeba
- 6.The flowers in Antirrhinum plant have ........... different colours
- A.
Two
- B.
Three
- C.
Four
- D.
Five
- 7.Sea star belongs to phylum
- A.
Echinodermata
- B.
Mollusca
- C.
Cnidaria
- D.
Porifera
- 8.The gene is made up of a sequence of .........
- A.
DNA
- B.
Nucleotides
- C.
Amino acids
- D.
Cromosomes
- 9.Class sarcodina is characterized by having .......................
- A.
Cilia
- B.
Pseudopdia
- C.
Flagella
- D.
No organs of locomotion
- 10.Repetitive sequences of genetic material are impossible to be similar in two individuals unless they are ............
- A.
Fraternal twins
- B.
Mother and her daughter
- C.
Father and his son
- D.
Identical twins
- 11.Inheritance of blood groups in human is a case known as .............
- A.
Lack of dominance
- B.
Complete dominance
- C.
Multiple alleles
- D.
All of the previous
- 12.................... is an example of mollusca
- A.
Scolopendra
- B.
Oyster
- C.
Riccia
- D.
Amoeba
- 13.From the sex-limited trait there is ...........
- A.
Laying eggs in birds
- B.
Haemophilia
- C.
Mongolism
- D.
Genetic baldness
- 14.The ............. comprises all the genes found in the nucleus of each somatic cell
- A.
Genome
- B.
DNA-typing
- C.
Genetic finger print
- D.
Repetitive sequence of DNA
- 15.All of the following belong to order rodentia except ..............
- A.
Rat
- B.
Gerboa
- C.
Rabbit
- D.
Squirel
- 16.A haemophyliac father can't inherit the disease to
- A.
His first daughter
- B.
His son
- C.
His second daughter
- D.
His third daughter
- 17.The most developed living organism among the following is ...............
- A.
Dinoflagellates
- B.
Chlamydomonas
- C.
Euglena
- D.
Trypanosoma
- 18.The individual of a genotype (AABb) produces the gamete (aB) in a ratio of ............ %
- A.
25
- B.
50
- C.
Zero
- D.
100
- 19............... are from the warm-blooded animals
- A.
Mammals
- B.
Fishes
- C.
Amphibians
- D.
Reptiles
- 20.In human, sex chromosomes come after the ............. pair in size
- A.
Eighth
- B.
Ninth
- C.
Sixth
- D.
Seventh
- 21.The chromosome is composed of .........
- A.
DNA and RNA
- B.
DNA and protein
- C.
RNA and polysaccharides
- D.
DNA and lipids
- 22.In a certain strain of sheep, if a horned male sheep is crossed with a hornless female producing the following: In Males, 3 horned : 1 hornless while in Females, 3 hornless : 1 horned So this genetic case is a
- A.
Sex linked trait
- B.
Sex influenced trait
- C.
Sex limited trait
- D.
Recessive lethal genes
- 23.In a certain strain of mammals, if a black male is crossed with a white female producing the following: Black female : Grey female : White male : Red male in a ratio 1 :1 : 1 : 1 So the recessive gene here is the ------------
- A.
Black
- B.
White
- C.
Red
- D.
Mixing between black and white
- 24.A kingdom where its members consist of filaments called hyphae
- A.
Protista
- B.
Monera
- C.
Planta
- D.
Fungi
- 25.A fish where its gills are covered by an operculum ----
- A.
Shark
- B.
Dolphin
- C.
Ray fish
- D.
Bolti fish
- 26.The ratio 2 : 1 represents a genetic case called ------
- A.
Doninant lethal genes
- B.
Recessive lethal genes
- C.
Sex- linked trait
- D.
Complementary genes
- 27.According to diochotomous key, what is the class of the following organism in the figure, if you know that it belongs to phylum protozoa? Question1- Does it possess pseudopodium? If Yes.....Class Sarcodina If No ....Go to Q.2 Question2- Does it possess flagella? If Yes ....Class Flagellata If No ..... Go to Q.3 Question3- Does it move by cilia? If Yes ....Class Ciliophora If No.... Class Sporozoa
- A.
Sarcodina
- B.
Sporozoa
- C.
Ciliophora
- D.
Flagelata
- 28.On a rainy day, you notice a long, brown, bilaterally symmetric organism in your garden. This organism has a body that is divided into segments, from the head to the tail.Under which phylum will you classify the organism?
- A.
Arthropoda
- B.
Mollusca
- C.
Chordata
- D.
Annelida
- 29.
- A.
In human males, there are 44 autosomes and a pair of homomorphic sex chromosomes.
- B.
In human females, there are 44 autosomes and a pair of homomorphic sex chromosomes.
- C.
In human males, there are 44 autosomes and a pair of heteromorphic sex chromosomes.
- D.
In humans, there are 44 autosomes and a pair of sex chromosomes.
- 30.
- A.
Eukaryotic
- B.
Heterotrophic
- C.
Live in dry environments
- D.
Multicellular
- 31.Which organisms represent the common ancestor of all photosynthetic plastids found in eukaryotes?
- A.
Euglena
- B.
Diatoms
- C.
Dinoflagellates
- D.
Cyanobacteria
- 32.If you were creating a classification key for a group of animals found on an island, which question would not separate turtles and birds?
- A.
Does the animal have feathers?
- B.
Does the animal lay eggs?
- C.
Does the animal have a shell?
- D.
Is the animal warm-blooded?
- 33.These two animals share one of the following characteristics ---
- A.
Compound eyes
- B.
The Body consists of two regions
- C.
Reproduce by regeneration
- D.
Breathe by means of tracheoles or lung books
- 34.An error in cell division called non-disjunction results in the formation of reproductive cells with an abnormal number of chromosomes where they gain or lose one copy of a chromosome, and hence the resulting child will have an extra or a missing chromosome in each of the body’s cells. Which of the following cases has an extra chromosome?
- A.
Female with a triple-X syndrome
- B.
Male with a Down's syndrome.
- C.
Male with a Klinefelter syndrome
- D.
Male with XYY syndrome.
- E.
All of the above.
- 35.A frog with body temperature of 20 oC is transferred to an area with 30 oC temperature. What will be the body temperature of frog in the new environment?
- A.
20 oC
- B.
30 oC
- C.
25 oC
- D.
Fluctuates between 20 oC - 30 oC
- 36.
- A.
The dominant trait is lethal in its homozygous form.
- B.
The trait forms sterile progeny.
- C.
Either the dominant or the recessive allele in its homozygous form is lethal.
- D.
The recessive allele for the trait is lethal in its homozygous form.
- 37.A male can transmit short sightedness condition to another male through .....
- A.
His daughter
- B.
Blood transfusion
- C.
His breath
- D.
Surgical operation
- 38.Dinoflagellates are phytoplanktons with ________
- A.
Tentacles
- B.
Bilateral symmetry
- C.
Stinging cells
- D.
Green pigments
- 39.While snorkeling, a student observes an active marine animal that has a series of muscular arms bearing suckers associated with its head. Segmentation is not observed, but a pair of large well developed eyes is evident. The student is observing an animal belonging to ......
- A.
Echinodermata
- B.
Porifera
- C.
Mollusca
- D.
Cnidaria
- 40.Which of the following sentences doesn't suit the inheritance of milk production in mammals?
- A.
Rate of gene activity has no relation with the sex of the organism.
- B.
Both male and female mammals have mammary glands.
- C.
Genetic factors of milk production are similar in both sexes.
- D.
Male sex hormones inhibit the action of gene.
- 41.What will be the ratio obtained from a dihybrid cross of two tall pea plants having pink flowers?
- A.
1:2:1
- B.
3:1
- C.
9:3:3:1
- D.
9:7
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