Germ layers are formed during? A. Cleavage B. Gastrulation C. Organogenesis D. None of these Right Answer: B. Gastrulation Share : December 26, 2017 Hassan Ali Biology Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -In favourable conditions slime mold spores germinate into?A ballon catheter is used to open up a closed coronary artery is known as?Biennial and perennial plants are stimulated to flower by exposure to low temperature. This is called?