Questions
Which of the following is the peculiarity found in mating of Apis spp?
- Male stabs female with penis.
- Male genitals explode after mating.
- Male rides on female's back for days after mating.
- Males sting each other to death in battle to mate with females.
Explosion of male and female bodies occurs to release sperms and eggs during mating season in
- garden spider
- bedbug
- pileworm
- red velvet mite
Which of the following animals has the longest gestation period?
- Hippopotamus
- Elephant
- Alpine salamander
- Mouse
Tasting of female urine by males to determine sexual readiness is seen in
- kangaroo
- giraffe
- zebra
- llama
Neck length is a criterion for mate selection in
- giraffes
- cranes
- galapagos giant tortoises
- ostriches
In which of the following animals do the young ones eat each other within the womb until only two are left in each uterus?
- Amphiprion percula
- Ceratoidei family
- Pseudolacteon sps
- Carcharias taurus
Which of the following is true about reproductive strategy in sea louse?
- Young ones grow inside mother's body and eat her from inside as they grow.
- Pregnancy period is seen in males.
- Mating chain is formed.
- Penis self detaches after mating and a new penis emerges 24 hours later.
Retractable and prehensile penis is a characteristic of which of the following?
- Clownfish
- Dolphin
- Sea hare
- Argonaut
The gypsobelum is produced in some terrestrial snail groups' genital apparatus to fulfill an important role during the process of mating. This gypsobelum is made up of
- calcium carbonate, chitin or cartilage
- calcium silicate, chitin or soft bones
- calcium nitrate, silica or chitin
- calcium oxalate, silica or cartilage
Clitoris of some female species is sufficiently enlarged and is termed as pseudopenis. Such pseudopenis is found in which of the following?
- Wolf
- Jackal
- Spotted hyena
- Bear
Protandry refers to transition of male to female. It is observed as a reproductive strategy in which of the following?
- Blackspot angelfish
- Blue-banded goby
- Percula clownfish
- Parrotfish
Which of the following strategies is used by frigatebirds to attract females?
- Making decorative nest
- Moonwalk
- Mating dance
- Inflating throat sac
Traumatic insemination is the mating practice in some species of invertebrates in which the male pierces the female's abdomen with his penis and injects his sperm through the wound into her bloodstream. It is observed in which of the following organisms?
- Blue milkweed beetle
- Euryplatea nanaknihal
- Mantodea
- Cimex lectularius
Argentine lake duck is accredited with which of the following?
- Longest sperm in the world
- Longest penis of any bird species in the world
- Largest egg in the world
- Penis of length equal to that of body
Which of the following females, when pregnant, does not eat, defecate or urinate for months to maximise resources for the growth of unborn cubs?
- Naked mole rat
- Polar bear
- Grizzly bear
- Nine-banded armadillo